diff --git a/Oqtane.Client/Modules/Admin/Modules/Settings.razor b/Oqtane.Client/Modules/Admin/Modules/Settings.razor
index 7f4f35f1..225a6e72 100644
--- a/Oqtane.Client/Modules/Admin/Modules/Settings.razor
+++ b/Oqtane.Client/Modules/Admin/Modules/Settings.razor
@@ -48,6 +48,18 @@
                             </select>
                         </div>
                     </div>
+                    <div class="row mb-1 align-items-center">
+                        <Label Class="col-sm-3" For="effectiveDate" HelpText="The date that this module is active" ResourceKey="EffectiveDate">Effective Date: </Label>
+                        <div class="col-sm-9">
+                            <input type="date" id="effectiveDate" class="form-control" @bind="@_effectivedate" />
+                        </div>
+                    </div>
+                    <div class="row mb-1 align-items-center">
+                        <Label Class="col-sm-3" For="expiryDate" HelpText="The date that this module expires" ResourceKey="ExpiryDate">Expiry Date: </Label>
+                        <div class="col-sm-9">
+                            <input type="date" id="expiryDate" class="form-control" @bind="@_expirydate" />
+                        </div>
+                    </div>
                     <div class="row mb-1 align-items-center">
                         <Label Class="col-sm-3" For="allpages" HelpText="Indicate if this module should be displayed on all pages" ResourceKey="DisplayOnAllPages">Display On All Pages? </Label>
                         <div class="col-sm-9">
@@ -114,7 +126,7 @@
     <AuditInfo CreatedBy="@createdby" CreatedOn="@createdon" ModifiedBy="@modifiedby" ModifiedOn="@modifiedon"></AuditInfo>
 </form>
 
-@code {
+    @code {
     public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Edit;
     public override string Title => "Module Settings";
 
@@ -141,7 +153,8 @@
     private DateTime createdon;
     private string modifiedby;
     private DateTime modifiedon;
-
+    private DateTime? _effectivedate = null;
+    private DateTime? _expirydate = null;
     protected override void OnInitialized()
     {
         _module = ModuleState.ModuleDefinition.Name;
@@ -156,6 +169,8 @@
         createdon = ModuleState.CreatedOn;
         modifiedby = ModuleState.ModifiedBy;
         modifiedon = ModuleState.ModifiedOn;
+        _effectivedate = ModuleState.EffectiveDate;
+        _expirydate = ModuleState.ExpiryDate;
 
         if (ModuleState.ModuleDefinition != null)
         {
@@ -214,12 +229,20 @@
         var interop = new Interop(JSRuntime);
         if (await interop.FormValid(form))
         {
+
             if (!string.IsNullOrEmpty(_title))
             {
+                if (!ValidateEffectiveExpiryDates(_effectivedate, _expirydate))
+                {
+                    AddModuleMessage(SharedLocalizer["Message.EffectiveExpiryDateError"], MessageType.Warning);
+                    return;
+                }                
                 var pagemodule = await PageModuleService.GetPageModuleAsync(ModuleState.PageModuleId);
                 pagemodule.PageId = int.Parse(_pageId);
                 pagemodule.Title = _title;
                 pagemodule.Pane = _pane;
+                pagemodule.EffectiveDate = _effectivedate;
+                pagemodule.ExpiryDate = _expirydate;
                 pagemodule.ContainerType = (_containerType != "-") ? _containerType : string.Empty;
                 if (!string.IsNullOrEmpty(pagemodule.ContainerType) && pagemodule.ContainerType == PageState.Page.DefaultContainerType)
 				{
@@ -269,5 +292,33 @@
             AddModuleMessage(SharedLocalizer["Message.InfoRequired"], MessageType.Warning);
         }
     }
+    private bool ValidateEffectiveExpiryDates(DateTime? effectiveDate, DateTime? expiryDate)
+    {
+        // Check if both dates are null, in which case the validation passes
+        if (effectiveDate == DateTime.MinValue && expiryDate == DateTime.MinValue)
+        {
+            return true;
+        }
 
+        // Check if EffectiveDate is not null and ExpiryDate is null
+        if (effectiveDate != DateTime.MinValue && expiryDate == DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if EffectiveDate is null and ExpiryDate is not null
+        if (effectiveDate == DateTime.MinValue && expiryDate != DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if ExpiryDate is not null and EffectiveDate is after ExpiryDate
+        if (expiryDate != DateTime.MinValue && effectiveDate != DateTime.MinValue && effectiveDate > expiryDate)
+        {
+            return false;
+        }
+
+        // If none of the above conditions are met, validation passes
+        return true;
+    }
 }
diff --git a/Oqtane.Client/Modules/Admin/Pages/Add.razor b/Oqtane.Client/Modules/Admin/Pages/Add.razor
index 6e95fdf3..c03a7e0a 100644
--- a/Oqtane.Client/Modules/Admin/Pages/Add.razor
+++ b/Oqtane.Client/Modules/Admin/Pages/Add.razor
@@ -119,6 +119,18 @@
                             <i class="@_icon"></i>
                         </div>
                     </div>
+                    <div class="row mb-1 align-items-center">
+                        <Label Class="col-sm-3" For="effectiveDate" HelpText="The date that this page is active" ResourceKey="EffectiveDate">Effective Date: </Label>
+                        <div class="col-sm-9">
+                            <input type="date" id="effectiveDate" class="form-control" @bind="@_effectivedate" />
+                        </div>
+                    </div>
+                    <div class="row mb-1 align-items-center">
+                        <Label Class="col-sm-3" For="expiryDate" HelpText="The date that this page expires" ResourceKey="ExpiryDate">Expiry Date: </Label>
+                        <div class="col-sm-9">
+                            <input type="date" id="expiryDate" class="form-control" @bind="@_expirydate" />
+                        </div>
+                    </div>
                     <div class="row mb-1 align-items-center">
                         <Label Class="col-sm-3" For="personalizable" HelpText="Select whether you would like users to be able to personalize this page with their own content" ResourceKey="Personalizable">Personalizable? </Label>
                         <div class="col-sm-9">
@@ -233,6 +245,8 @@
     protected Page _parent = null;
     protected Dictionary<string, string> _icons;
     private string _iconresources = "";
+    private DateTime? _effectivedate = null;
+    private DateTime? _expirydate = null;
 
     protected override async Task OnInitializedAsync()
     {
@@ -265,6 +279,8 @@
                         _children.Add(p);
                     }
                 }
+                _effectivedate = PageState.Page.EffectiveDate;
+                _expirydate = PageState.Page.ExpiryDate;
                 ThemeSettings();
                 _initialized = true;
             }
@@ -274,18 +290,18 @@
                 AddModuleMessage(Localizer["Error.Page.Load"], MessageType.Error);
             }
         }
-		catch (Exception ex)
-		{
-			await logger.LogError(ex, "Error Loading Page {Error}", ex.Message);
-			AddModuleMessage(Localizer["Error.Page.Load"], MessageType.Error);
-		}
-	}
+        catch (Exception ex)
+        {
+            await logger.LogError(ex, "Error Loading Page {Error}", ex.Message);
+            AddModuleMessage(Localizer["Error.Page.Load"], MessageType.Error);
+        }
+    }
 
-	private async void ParentChanged(ChangeEventArgs e)
-	{
-		try
-		{
-			_parentid = (string)e.Value;
+    private async void ParentChanged(ChangeEventArgs e)
+    {
+        try
+        {
+            _parentid = (string)e.Value;
             _children = new List<Page>();
             foreach (Page p in PageState.Pages.Where(item => (_parentid == "-1" && item.ParentId == null) || (item.ParentId == int.Parse(_parentid))))
             {
@@ -295,13 +311,13 @@
                 }
             }
             StateHasChanged();
-		}
-		catch (Exception ex)
-		{
-			await logger.LogError(ex, "Error Loading Child Pages For Parent {PageId} {Error}", _parentid, ex.Message);
-			AddModuleMessage(Localizer["Error.ChildPage.Load"], MessageType.Error);
-		}
-	}
+        }
+        catch (Exception ex)
+        {
+            await logger.LogError(ex, "Error Loading Child Pages For Parent {PageId} {Error}", _parentid, ex.Message);
+            AddModuleMessage(Localizer["Error.ChildPage.Load"], MessageType.Error);
+        }
+    }
 
     private void ThemeChanged(ChangeEventArgs e)
     {
@@ -318,109 +334,116 @@
         }
     }
 
-	private void ThemeSettings()
-	{
-		_themeSettingsType = null;
+    private void ThemeSettings()
+    {
+        _themeSettingsType = null;
         var theme = PageState.Site.Themes.FirstOrDefault(item => item.Themes.Any(themecontrol => themecontrol.TypeName.Equals(_themetype)));
-		if (theme != null && !string.IsNullOrEmpty(theme.ThemeSettingsType))
-		{
-			_themeSettingsType = Type.GetType(theme.ThemeSettingsType);
-			if (_themeSettingsType != null)
-			{
-				ThemeSettingsComponent = builder =>
-				{
-					builder.OpenComponent(0, _themeSettingsType);
-					builder.AddComponentReferenceCapture(1, inst => { _themeSettings = Convert.ChangeType(inst, _themeSettingsType); });
-					builder.CloseComponent();
-				};
-			}
-			_refresh = true;
-		}
-	}
+        if (theme != null && !string.IsNullOrEmpty(theme.ThemeSettingsType))
+        {
+            _themeSettingsType = Type.GetType(theme.ThemeSettingsType);
+            if (_themeSettingsType != null)
+            {
+                ThemeSettingsComponent = builder =>
+                {
+                    builder.OpenComponent(0, _themeSettingsType);
+                    builder.AddComponentReferenceCapture(1, inst => { _themeSettings = Convert.ChangeType(inst, _themeSettingsType); });
+                    builder.CloseComponent();
+                };
+            }
+            _refresh = true;
+        }
+    }
 
-	private async Task SavePage()
-	{
-		validated = true;
-		var interop = new Interop(JSRuntime);
-		if (await interop.FormValid(form))
-		{
-			Page page = null;
-			try
-			{
+    private async Task SavePage()
+    {
+        validated = true;
+        var interop = new Interop(JSRuntime);
+        if (await interop.FormValid(form))
+        {
+            Page page = null;
+            try
+            {
+                if (!ValidateEffectiveExpiryDates(_effectivedate, _expirydate))
+                {
+                    AddModuleMessage(SharedLocalizer["Message.EffectiveExpiryDateError"], MessageType.Warning);
+                    return;
+                }
                 if (!string.IsNullOrEmpty(_themetype) && !string.IsNullOrEmpty(_containertype))
-				{
-					page = new Page();
-					page.SiteId = PageState.Page.SiteId;
-					page.Name = _name;
+                {
+                    page = new Page();
+                    page.SiteId = PageState.Page.SiteId;
+                    page.Name = _name;
 
-					if (string.IsNullOrEmpty(_path))
-					{
-						_path = _name;
-					}
-					if (_path.Contains("/"))
-					{
-						if (_path.EndsWith("/") && _path != "/")
-						{
-							_path = _path.Substring(0, _path.Length - 1);
-						}
-						_path = _path.Substring(_path.LastIndexOf("/") + 1);
-					}
+                    if (string.IsNullOrEmpty(_path))
+                    {
+                        _path = _name;
+                    }
+                    if (_path.Contains("/"))
+                    {
+                        if (_path.EndsWith("/") && _path != "/")
+                        {
+                            _path = _path.Substring(0, _path.Length - 1);
+                        }
+                        _path = _path.Substring(_path.LastIndexOf("/") + 1);
+                    }
 
-					if (_parentid == "-1")
-					{
-						page.ParentId = null;
-						page.Path = Utilities.GetFriendlyUrl(_path);
-					}
-					else
-					{
-						page.ParentId = Int32.Parse(_parentid);
-						var parent = PageState.Pages.Where(item => item.PageId == page.ParentId).FirstOrDefault();
-						if (parent.Path == string.Empty)
-						{
-							page.Path = Utilities.GetFriendlyUrl(parent.Name) + "/" + Utilities.GetFriendlyUrl(_path);
-						}
-						else
-						{
-							page.Path = parent.Path + "/" + Utilities.GetFriendlyUrl(_path);
-						}
-					}
+                    if (_parentid == "-1")
+                    {
+                        page.ParentId = null;
+                        page.Path = Utilities.GetFriendlyUrl(_path);
+                    }
+                    else
+                    {
+                        page.ParentId = Int32.Parse(_parentid);
+                        var parent = PageState.Pages.Where(item => item.PageId == page.ParentId).FirstOrDefault();
+                        if (parent.Path == string.Empty)
+                        {
+                            page.Path = Utilities.GetFriendlyUrl(parent.Name) + "/" + Utilities.GetFriendlyUrl(_path);
+                        }
+                        else
+                        {
+                            page.Path = parent.Path + "/" + Utilities.GetFriendlyUrl(_path);
+                        }
+                    }
 
-					var _pages = await PageService.GetPagesAsync(PageState.Site.SiteId);
-					if (_pages.Any(item => item.Path == page.Path))
-					{
-						AddModuleMessage(string.Format(Localizer["Message.Page.Exists"], _path), MessageType.Warning);
-						return;
-					}
+                    var _pages = await PageService.GetPagesAsync(PageState.Site.SiteId);
+                    if (_pages.Any(item => item.Path == page.Path))
+                    {
+                        AddModuleMessage(string.Format(Localizer["Message.Page.Exists"], _path), MessageType.Warning);
+                        return;
+                    }
 
-					if (page.ParentId == null && Constants.ReservedRoutes.Contains(page.Name.ToLower()))
-					{
-						AddModuleMessage(string.Format(Localizer["Message.Page.Reserved"], page.Name), MessageType.Warning);
-						return;
-					}
+                    if (page.ParentId == null && Constants.ReservedRoutes.Contains(page.Name.ToLower()))
+                    {
+                        AddModuleMessage(string.Format(Localizer["Message.Page.Reserved"], page.Name), MessageType.Warning);
+                        return;
+                    }
 
-					Page child;
-					switch (_insert)
-					{
-						case "<<":
-							page.Order = 0;
-							break;
-						case "<":
-							child = PageState.Pages.Where(item => item.PageId == _childid).FirstOrDefault();
-							page.Order = child.Order - 1;
-							break;
-						case ">":
-							child = PageState.Pages.Where(item => item.PageId == _childid).FirstOrDefault();
-							page.Order = child.Order + 1;
-							break;
-						case ">>":
-							page.Order = int.MaxValue;
-							break;
-					}
+                    Page child;
+                    switch (_insert)
+                    {
+                        case "<<":
+                            page.Order = 0;
+                            break;
+                        case "<":
+                            child = PageState.Pages.Where(item => item.PageId == _childid).FirstOrDefault();
+                            page.Order = child.Order - 1;
+                            break;
+                        case ">":
+                            child = PageState.Pages.Where(item => item.PageId == _childid).FirstOrDefault();
+                            page.Order = child.Order + 1;
+                            break;
+                        case ">>":
+                            page.Order = int.MaxValue;
+                            break;
+                    }
 
-					page.IsNavigation = (_isnavigation == null ? true : Boolean.Parse(_isnavigation));
-					page.IsClickable = (_isclickable == null ? true : Boolean.Parse(_isclickable));
+                    page.IsNavigation = (_isnavigation == null ? true : Boolean.Parse(_isnavigation));
+                    page.IsClickable = (_isclickable == null ? true : Boolean.Parse(_isclickable));
                     page.Url = _url;
                     page.IsPersonalizable = (_ispersonalizable == null ? false : Boolean.Parse(_ispersonalizable));
+                    page.EffectiveDate = _effectivedate;
+                    page.ExpiryDate = _expirydate;
                     page.UserId = null;
 
                     // appearance
@@ -490,4 +513,33 @@
     {
         _icon = NewIcon;
     }
+    private bool ValidateEffectiveExpiryDates(DateTime? effectiveDate, DateTime? expiryDate)
+    {
+        // Check if both dates are null, in which case the validation passes
+        if (effectiveDate == DateTime.MinValue && expiryDate == DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if EffectiveDate is not null and ExpiryDate is null
+        if (effectiveDate != DateTime.MinValue && expiryDate == DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if EffectiveDate is null and ExpiryDate is not null
+        if (effectiveDate == DateTime.MinValue && expiryDate != DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if ExpiryDate is not null and EffectiveDate is after ExpiryDate
+        if (expiryDate != DateTime.MinValue && effectiveDate != DateTime.MinValue && effectiveDate > expiryDate)
+        {
+            return false;
+        }
+
+        // If none of the above conditions are met, validation passes
+        return true;
+    }
 }
diff --git a/Oqtane.Client/Modules/Admin/Pages/Edit.razor b/Oqtane.Client/Modules/Admin/Pages/Edit.razor
index 222d0119..3b64188b 100644
--- a/Oqtane.Client/Modules/Admin/Pages/Edit.razor
+++ b/Oqtane.Client/Modules/Admin/Pages/Edit.razor
@@ -134,6 +134,18 @@
                                 <i class="@_icon"></i>
                             </div>
                         </div>
+                        <div class="row mb-1 align-items-center">
+                            <Label Class="col-sm-3" For="effectiveDate" HelpText="The date that this page is active" ResourceKey="EffectiveDate">Effective Date: </Label>
+                            <div class="col-sm-9">
+                                <input type="date" id="effectiveDate" class="form-control" @bind="@_effectivedate" />
+                            </div>
+                        </div>
+                        <div class="row mb-1 align-items-center">
+                            <Label Class="col-sm-3" For="expiryDate" HelpText="The date that this page expires" ResourceKey="ExpiryDate">Expiry Date: </Label>
+                            <div class="col-sm-9">
+                                <input type="date" id="expiryDate" class="form-control" @bind="@_expirydate" />
+                            </div>
+                        </div>
                         <div class="row mb-1 align-items-center">
                             <Label Class="col-sm-3" For="personalizable" HelpText="Select whether you would like users to be able to personalize this page with their own content" ResourceKey="Personalizable">Personalizable? </Label>
                             <div class="col-sm-9">
@@ -322,6 +334,8 @@
     protected Page _parent = null;
     protected Dictionary<string, string> _icons;
     private string _iconresources = "";
+    private DateTime? _effectivedate = null;
+    private DateTime? _expirydate = null;
 
     protected override async Task OnInitializedAsync()
     {
@@ -370,6 +384,8 @@
                 }
                 _url = _page.Url;
                 _icon = _page.Icon;
+                _effectivedate = _page.EffectiveDate;
+                _expirydate = _page.ExpiryDate;
                 _ispersonalizable = _page.IsPersonalizable.ToString();
 
                 // appearance
@@ -487,6 +503,11 @@
         {
             try
             {
+                if (!ValidateEffectiveExpiryDates(_effectivedate, _expirydate))
+                {
+                    AddModuleMessage(SharedLocalizer["Message.EffectiveExpiryDateError"], MessageType.Warning);
+                    return;
+                }
                 if (!string.IsNullOrEmpty(_themetype) && _containertype != "-")
                 {
                     string currentPath = _page.Path;
@@ -563,6 +584,8 @@
                     _page.IsClickable = (_isclickable == null ? true : Boolean.Parse(_isclickable));
                     _page.Url = _url;
                     _page.Icon = _icon ?? string.Empty;
+                    _page.EffectiveDate = _effectivedate;
+                    _page.ExpiryDate = _expirydate;
                     _page.IsPersonalizable = (_ispersonalizable != null && Boolean.Parse(_ispersonalizable));
 
                     // appearance
@@ -666,4 +689,33 @@
     {
         _icon = NewIcon;
     }
+    private bool ValidateEffectiveExpiryDates(DateTime? effectiveDate, DateTime? expiryDate)
+    {
+        // Check if both dates are null, in which case the validation passes
+        if (effectiveDate == DateTime.MinValue && expiryDate == DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if EffectiveDate is not null and ExpiryDate is null
+        if (effectiveDate != DateTime.MinValue && expiryDate == DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if EffectiveDate is null and ExpiryDate is not null
+        if (effectiveDate == DateTime.MinValue && expiryDate != DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if ExpiryDate is not null and EffectiveDate is after ExpiryDate
+        if (expiryDate != DateTime.MinValue && effectiveDate != DateTime.MinValue && effectiveDate > expiryDate)
+        {
+            return false;
+        }
+
+        // If none of the above conditions are met, validation passes
+        return true;
+    }
 }
diff --git a/Oqtane.Client/Modules/Admin/Users/Roles.razor b/Oqtane.Client/Modules/Admin/Users/Roles.razor
index 8766c46a..990aea43 100644
--- a/Oqtane.Client/Modules/Admin/Users/Roles.razor
+++ b/Oqtane.Client/Modules/Admin/Users/Roles.razor
@@ -34,13 +34,13 @@ else
         <div class="row mb-1 align-items-center">
             <Label Class="col-sm-3" For="effectiveDate" HelpText="The date that this role assignment is active" ResourceKey="EffectiveDate">Effective Date: </Label>
             <div class="col-sm-9">
-                <input type="date" id="effectiveDate" class="form-control" @bind="@effectivedate" />
+                <input type="date" id="effectiveDate" class="form-control" @bind="@_effectivedate" />
             </div>
         </div>
         <div class="row mb-1 align-items-center">
             <Label Class="col-sm-3" For="expiryDate" HelpText="The date that this role assignment expires" ResourceKey="ExpiryDate">Expiry Date: </Label>
             <div class="col-sm-9">
-                <input type="date" id="expiryDate" class="form-control" @bind="@expirydate" />
+                <input type="date" id="expiryDate" class="form-control" @bind="@_expirydate" />
             </div>
         </div>
 
@@ -75,8 +75,8 @@ else
     private string name = string.Empty;
     private List<Role> roles;
     private int roleid = -1;
-    private DateTime? effectivedate = null;
-    private DateTime? expirydate = null;
+    private DateTime? _effectivedate = null;
+    private DateTime? _expirydate = null;
     private List<UserRole> userroles;
 
     public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Edit;
@@ -92,7 +92,7 @@ else
             if (UserSecurity.IsAuthorized(PageState.User, RoleNames.Host))
             {
                 roles = await RoleService.GetRolesAsync(PageState.Site.SiteId, true);
-				roles.RemoveAll(item => item.Name == RoleNames.Everyone || item.Name == RoleNames.Unauthenticated);
+                roles.RemoveAll(item => item.Name == RoleNames.Everyone || item.Name == RoleNames.Unauthenticated);
             }
             else
             {
@@ -127,11 +127,16 @@ else
         {
             if (roleid != -1)
             {
+                if (!ValidateEffectiveExpiryDates(_effectivedate,_expirydate))
+                {
+                    AddModuleMessage(SharedLocalizer["Message.EffectiveExpiryDateError"], MessageType.Warning);
+                    return;
+                }
                 var userrole = userroles.Where(item => item.UserId == userid && item.RoleId == roleid).FirstOrDefault();
                 if (userrole != null)
                 {
-                    userrole.EffectiveDate = effectivedate;
-                    userrole.ExpiryDate = expirydate;
+                    userrole.EffectiveDate = _effectivedate;
+                    userrole.ExpiryDate = _expirydate;
                     await UserRoleService.UpdateUserRoleAsync(userrole);
                 }
                 else
@@ -139,15 +144,15 @@ else
                     userrole = new UserRole();
                     userrole.UserId = userid;
                     userrole.RoleId = roleid;
-                    userrole.EffectiveDate = effectivedate;
-                    userrole.ExpiryDate = expirydate;
+                    userrole.EffectiveDate = _effectivedate;
+                    userrole.ExpiryDate = _expirydate;
                     await UserRoleService.AddUserRoleAsync(userrole);
                 }
 
                 await logger.LogInformation("User Assigned To Role {UserRole}", userrole);
                 AddModuleMessage(Localizer["Success.User.AssignRole"], MessageType.Success);
                 await GetUserRoles();
-                StateHasChanged();
+                StateHasChanged();                    
             }
             else
             {
@@ -177,4 +182,34 @@ else
             AddModuleMessage(Localizer["Error.User.RemoveRole"], MessageType.Error);
         }
     }
+
+    private bool ValidateEffectiveExpiryDates(DateTime? effectiveDate, DateTime? expiryDate)
+    {
+        // Check if both dates are null, in which case the validation passes
+        if (effectiveDate == DateTime.MinValue && expiryDate == DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if EffectiveDate is not null and ExpiryDate is null
+        if (effectiveDate != DateTime.MinValue && expiryDate == DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if EffectiveDate is null and ExpiryDate is not null
+        if (effectiveDate == DateTime.MinValue && expiryDate != DateTime.MinValue)
+        {
+            return true;
+        }
+
+        // Check if ExpiryDate is not null and EffectiveDate is after ExpiryDate
+        if (expiryDate != DateTime.MinValue && effectiveDate != DateTime.MinValue && effectiveDate > expiryDate)
+        {
+            return false;
+        }
+
+        // If none of the above conditions are met, validation passes
+        return true;
+    }
 }
diff --git a/Oqtane.Client/Resources/Modules/Admin/Modules/Settings.resx b/Oqtane.Client/Resources/Modules/Admin/Modules/Settings.resx
index 5b7849ec..722fa2f1 100644
--- a/Oqtane.Client/Resources/Modules/Admin/Modules/Settings.resx
+++ b/Oqtane.Client/Resources/Modules/Admin/Modules/Settings.resx
@@ -165,4 +165,16 @@
   <data name="Pane.Text" xml:space="preserve">
     <value>Pane:</value>
   </data>
+  <data name="EffectiveDate.HelpText" xml:space="preserve">
+    <value>The date that this module is active</value>
+  </data>
+  <data name="EffectiveDate.Text" xml:space="preserve">
+    <value>Effective Date: </value>
+  </data>
+  <data name="ExpiryDate.HelpText" xml:space="preserve">
+    <value>The date that this module expires</value>
+  </data>
+  <data name="ExpiryDate.Text" xml:space="preserve">
+    <value>Expiry Date: </value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Oqtane.Client/Resources/Modules/Admin/Pages/Add.resx b/Oqtane.Client/Resources/Modules/Admin/Pages/Add.resx
index 62972b72..9ebed89a 100644
--- a/Oqtane.Client/Resources/Modules/Admin/Pages/Add.resx
+++ b/Oqtane.Client/Resources/Modules/Admin/Pages/Add.resx
@@ -255,4 +255,16 @@
   <data name="Theme.Heading" xml:space="preserve">
     <value>Theme Settings</value>
   </data>
+  <data name="EffectiveDate.HelpText" xml:space="preserve">
+    <value>The date that this page is active</value>
+  </data>
+  <data name="EffectiveDate.Text" xml:space="preserve">
+    <value>Effective Date: </value>
+  </data>
+  <data name="ExpiryDate.HelpText" xml:space="preserve">
+    <value>The date that this page expires</value>
+  </data>
+  <data name="ExpiryDate.Text" xml:space="preserve">
+    <value>Expiry Date: </value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Oqtane.Client/Resources/Modules/Admin/Pages/Edit.resx b/Oqtane.Client/Resources/Modules/Admin/Pages/Edit.resx
index 984e6461..478e7616 100644
--- a/Oqtane.Client/Resources/Modules/Admin/Pages/Edit.resx
+++ b/Oqtane.Client/Resources/Modules/Admin/Pages/Edit.resx
@@ -285,4 +285,16 @@
   <data name="ThemeChanged.Message" xml:space="preserve">
     <value>Please Note That Overriding The Default Site Theme With An Unrelated Page Theme May Result In Compatibility Issues For Your Site</value>
   </data>
+  <data name="EffectiveDate.HelpText" xml:space="preserve">
+    <value>The date that this page is active</value>
+  </data>
+  <data name="EffectiveDate.Text" xml:space="preserve">
+    <value>Effective Date: </value>
+  </data>
+  <data name="ExpiryDate.HelpText" xml:space="preserve">
+    <value>The date that this page expires</value>
+  </data>
+  <data name="ExpiryDate.Text" xml:space="preserve">
+    <value>Expiry Date: </value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Oqtane.Client/Resources/SharedResources.resx b/Oqtane.Client/Resources/SharedResources.resx
index b00c7ce9..6152a066 100644
--- a/Oqtane.Client/Resources/SharedResources.resx
+++ b/Oqtane.Client/Resources/SharedResources.resx
@@ -438,4 +438,7 @@
   <data name="Test" xml:space="preserve">
     <value>Test</value>
   </data>
+  <data name="Message.EffectiveExpiryDateError" xml:space="preserve">
+    <value>Effective Date cannot be after Expiry Date.</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Oqtane.Client/UI/SiteRouter.razor b/Oqtane.Client/UI/SiteRouter.razor
index 51877aa0..51805407 100644
--- a/Oqtane.Client/UI/SiteRouter.razor
+++ b/Oqtane.Client/UI/SiteRouter.razor
@@ -258,42 +258,51 @@
                     }
                 }
             }
+            
+            bool isAdminOrHost = false;
+            if(user != null)
+            {
+                isAdminOrHost = user.Roles.Contains(RoleNames.Host) || user.Roles.Contains(RoleNames.Admin);
+            }
 
-            if (page != null)
+            if (page != null && (isAdminOrHost || IsPageModuleVisible(page.EffectiveDate, page.ExpiryDate)))
             {
                 // check if user is authorized to view page
                 if (UserSecurity.IsAuthorized(user, PermissionNames.View, page.PermissionList))
                 {
-                    // load additional metadata for current page
-                    page = ProcessPage(page, site, user, SiteState.Alias);
-
-                    // load additional metadata for modules
-                    (page, site.Modules) = ProcessModules(page, site.Modules, moduleid, action, (!string.IsNullOrEmpty(page.DefaultContainerType)) ? page.DefaultContainerType : site.DefaultContainerType, SiteState.Alias);
-
-                    // populate page state (which acts as a client-side cache for subsequent requests)
-                    _pagestate = new PageState
+                    if (isAdminOrHost || IsPageModuleVisible(page.EffectiveDate, page.ExpiryDate))
                     {
-                        Alias = SiteState.Alias,
-                        Site = site,
-                        Page = page,
-                        User = user,
-                        Uri = new Uri(_absoluteUri, UriKind.Absolute),
-                        Route = route,
-                        QueryString = querystring,
-                        UrlParameters = route.UrlParameters,
-                        ModuleId = moduleid,
-                        Action = action,
-                        EditMode = editmode,
-                        LastSyncDate = lastsyncdate,
-                        Runtime = runtime,
-						VisitorId = VisitorId,
-						RemoteIPAddress = SiteState.RemoteIPAddress,
-						ReturnUrl = returnurl,
-                        IsInternalNavigation = _isInternalNavigation
-                    };
+                        // load additional metadata for current page
+                        page = ProcessPage(page, site, user, SiteState.Alias);
 
-                    OnStateChange?.Invoke(_pagestate);
-                    await ScrollToFragment(_pagestate.Uri);
+                        // load additional metadata for modules
+                        (page, site.Modules) = ProcessModules(page, site.Modules, moduleid, action, (!string.IsNullOrEmpty(page.DefaultContainerType)) ? page.DefaultContainerType : site.DefaultContainerType, SiteState.Alias);
+
+                        // populate page state (which acts as a client-side cache for subsequent requests)
+                        _pagestate = new PageState
+                        {
+                            Alias = SiteState.Alias,
+                            Site = site,
+                            Page = page,
+                            User = user,
+                            Uri = new Uri(_absoluteUri, UriKind.Absolute),
+                            Route = route,
+                            QueryString = querystring,
+                            UrlParameters = route.UrlParameters,
+                            ModuleId = moduleid,
+                            Action = action,
+                            EditMode = editmode,
+                            LastSyncDate = lastsyncdate,
+                            Runtime = runtime,
+						    VisitorId = VisitorId,
+						    RemoteIPAddress = SiteState.RemoteIPAddress,
+						    ReturnUrl = returnurl,
+                            IsInternalNavigation = _isInternalNavigation
+                        };
+
+                        OnStateChange?.Invoke(_pagestate);
+                        await ScrollToFragment(_pagestate.Uri);
+                    }
                 }
             }
             else // page not found
@@ -307,7 +316,7 @@
                 }
                 else // not mapped
                 {
-                    if (user == null)
+                    if (user == null && IsPageModuleVisible(page.EffectiveDate, page.ExpiryDate))
                     {
                         // redirect to login page if user not logged in as they may need to be authenticated
                         NavigationManager.NavigateTo(Utilities.NavigateUrl(SiteState.Alias.Path, "login", "?returnurl=" + WebUtility.UrlEncode(route.PathAndQuery)));
@@ -578,4 +587,29 @@
 			}
         }
     }
+    private bool IsPageModuleVisible(DateTime? effectiveDate, DateTime? expiryDate)
+    {
+        DateTime currentUtcTime = DateTime.UtcNow;
+
+        // Check if either effectiveDate or expiryDate is provided
+        if (effectiveDate.HasValue && expiryDate.HasValue)
+        {
+            return currentUtcTime >= effectiveDate.Value && currentUtcTime <= expiryDate.Value;
+        }
+        // Check if only effectiveDate is provided
+        else if (effectiveDate.HasValue)
+        {
+            return currentUtcTime >= effectiveDate.Value;
+        }
+        // Check if only expiryDate is provided
+        else if (expiryDate.HasValue)
+        {
+            return currentUtcTime <= expiryDate.Value;
+        }
+        // If neither effectiveDate nor expiryDate is provided, consider the page/module visible
+        else
+        {
+            return true;
+        }
+    }
 }
diff --git a/Oqtane.Server/Controllers/ModuleController.cs b/Oqtane.Server/Controllers/ModuleController.cs
index f8172db1..8acde463 100644
--- a/Oqtane.Server/Controllers/ModuleController.cs
+++ b/Oqtane.Server/Controllers/ModuleController.cs
@@ -75,6 +75,8 @@ namespace Oqtane.Controllers
                         module.Pane = pagemodule.Pane;
                         module.Order = pagemodule.Order;
                         module.ContainerType = pagemodule.ContainerType;
+                        module.EffectiveDate = pagemodule.EffectiveDate;
+                        module.ExpiryDate = pagemodule.ExpiryDate;
 
                         module.ModuleDefinition = _moduleDefinitions.FilterModuleDefinition(moduledefinitions.Find(item => item.ModuleDefinitionName == module.ModuleDefinitionName));
 
@@ -169,7 +171,7 @@ namespace Oqtane.Controllers
                         {
                             if (!pageModules.Exists(item => item.ModuleId == module.ModuleId && item.PageId == page.PageId) && !page.Path.StartsWith("admin/"))
                             {
-                                _pageModules.AddPageModule(new PageModule { PageId = page.PageId, ModuleId = pageModule.ModuleId, Title = pageModule.Title, Pane = pageModule.Pane, Order = pageModule.Order, ContainerType = pageModule.ContainerType });
+                                _pageModules.AddPageModule(new PageModule { PageId = page.PageId, ModuleId = pageModule.ModuleId, Title = pageModule.Title, Pane = pageModule.Pane, Order = pageModule.Order, ContainerType = pageModule.ContainerType, EffectiveDate = pageModule.EffectiveDate, ExpiryDate = pageModule.ExpiryDate });
                             }
                         }
                     }
diff --git a/Oqtane.Server/Controllers/SiteController.cs b/Oqtane.Server/Controllers/SiteController.cs
index 4d1b7184..3092297d 100644
--- a/Oqtane.Server/Controllers/SiteController.cs
+++ b/Oqtane.Server/Controllers/SiteController.cs
@@ -13,6 +13,8 @@ using System.Globalization;
 using Microsoft.Extensions.Caching.Memory;
 using Oqtane.Extensions;
 using System;
+using Oqtane.UI;
+using Microsoft.EntityFrameworkCore.Metadata.Internal;
 
 namespace Oqtane.Controllers
 {
@@ -92,59 +94,71 @@ namespace Oqtane.Controllers
                 site.UploadableFiles = site.Settings.ContainsKey("UploadableFiles") && !string.IsNullOrEmpty(site.Settings["UploadableFiles"])
                 ? site.Settings["UploadableFiles"] : Constants.UploadableFiles;
 
+                var modelsUser = _userPermissions.GetUser(User);
+                var isAdminOrHost = modelsUser.Roles.Contains(RoleNames.Host) || modelsUser.Roles.Contains(RoleNames.Admin);
+
                 // pages
                 List<Setting> settings = _settings.GetSettings(EntityNames.Page).ToList();
                 site.Pages = new List<Page>();
-                foreach (Page page in _pages.GetPages(site.SiteId))
+                foreach (Page page in _pages.GetPages(site.SiteId).Where(p => !p.IsDeleted && _userPermissions.IsAuthorized(User, PermissionNames.View, p.PermissionList)))
                 {
-                    if (!page.IsDeleted && _userPermissions.IsAuthorized(User, PermissionNames.View, page.PermissionList))
+                    if (isAdminOrHost || IsPageModuleVisible(page.EffectiveDate, page.ExpiryDate))
                     {
-                        page.Settings = settings.Where(item => item.EntityId == page.PageId)
+                        page.Settings = settings
+                            .Where(item => item.EntityId == page.PageId)
                             .Where(item => !item.IsPrivate || _userPermissions.IsAuthorized(User, PermissionNames.Edit, page.PermissionList))
                             .ToDictionary(setting => setting.SettingName, setting => setting.SettingValue);
+
                         site.Pages.Add(page);
                     }
                 }
+
                 site.Pages = GetPagesHierarchy(site.Pages);
 
                 // modules
                 List<ModuleDefinition> moduledefinitions = _moduleDefinitions.GetModuleDefinitions(site.SiteId).ToList();
                 settings = _settings.GetSettings(EntityNames.Module).ToList();
                 site.Modules = new List<Module>();
-                foreach (PageModule pagemodule in _pageModules.GetPageModules(site.SiteId))
+                foreach (PageModule pagemodule in _pageModules.GetPageModules(site.SiteId).Where(pm => !pm.IsDeleted && _userPermissions.IsAuthorized(User, PermissionNames.View, pm.Module.PermissionList)))
                 {
-                    if (!pagemodule.IsDeleted && _userPermissions.IsAuthorized(User, PermissionNames.View, pagemodule.Module.PermissionList))
+                    if (isAdminOrHost || IsPageModuleVisible(pagemodule.EffectiveDate, pagemodule.ExpiryDate))
                     {
-                        Module module = new Module();
-                        module.SiteId = pagemodule.Module.SiteId;
-                        module.ModuleDefinitionName = pagemodule.Module.ModuleDefinitionName;
-                        module.AllPages = pagemodule.Module.AllPages;
-                        module.PermissionList = pagemodule.Module.PermissionList;
-                        module.CreatedBy = pagemodule.Module.CreatedBy;
-                        module.CreatedOn = pagemodule.Module.CreatedOn;
-                        module.ModifiedBy = pagemodule.Module.ModifiedBy;
-                        module.ModifiedOn = pagemodule.Module.ModifiedOn;
-                        module.DeletedBy = pagemodule.DeletedBy;
-                        module.DeletedOn = pagemodule.DeletedOn;
-                        module.IsDeleted = pagemodule.IsDeleted;
+                        Module module = new Module
+                        {
+                            SiteId = pagemodule.Module.SiteId,
+                            ModuleDefinitionName = pagemodule.Module.ModuleDefinitionName,
+                            AllPages = pagemodule.Module.AllPages,
+                            PermissionList = pagemodule.Module.PermissionList,
+                            CreatedBy = pagemodule.Module.CreatedBy,
+                            CreatedOn = pagemodule.Module.CreatedOn,
+                            ModifiedBy = pagemodule.Module.ModifiedBy,
+                            ModifiedOn = pagemodule.Module.ModifiedOn,
+                            DeletedBy = pagemodule.DeletedBy,
+                            DeletedOn = pagemodule.DeletedOn,
+                            IsDeleted = pagemodule.IsDeleted,
 
-                        module.PageModuleId = pagemodule.PageModuleId;
-                        module.ModuleId = pagemodule.ModuleId;
-                        module.PageId = pagemodule.PageId;
-                        module.Title = pagemodule.Title;
-                        module.Pane = pagemodule.Pane;
-                        module.Order = pagemodule.Order;
-                        module.ContainerType = pagemodule.ContainerType;
+                            PageModuleId = pagemodule.PageModuleId,
+                            ModuleId = pagemodule.ModuleId,
+                            PageId = pagemodule.PageId,
+                            Title = pagemodule.Title,
+                            Pane = pagemodule.Pane,
+                            Order = pagemodule.Order,
+                            ContainerType = pagemodule.ContainerType,
+                            EffectiveDate = pagemodule.EffectiveDate,
+                            ExpiryDate = pagemodule.ExpiryDate,
 
-                        module.ModuleDefinition = _moduleDefinitions.FilterModuleDefinition(moduledefinitions.Find(item => item.ModuleDefinitionName == module.ModuleDefinitionName));
+                            ModuleDefinition = _moduleDefinitions.FilterModuleDefinition(moduledefinitions.Find(item => item.ModuleDefinitionName == pagemodule.Module.ModuleDefinitionName)),
 
-                        module.Settings = settings.Where(item => item.EntityId == pagemodule.ModuleId)
+                            Settings = settings
+                            .Where(item => item.EntityId == pagemodule.ModuleId)
                             .Where(item => !item.IsPrivate || _userPermissions.IsAuthorized(User, PermissionNames.Edit, pagemodule.Module.PermissionList))
-                            .ToDictionary(setting => setting.SettingName, setting => setting.SettingValue);
+                            .ToDictionary(setting => setting.SettingName, setting => setting.SettingValue)
+                        };
 
                         site.Modules.Add(module);
                     }
                 }
+
                 site.Modules = site.Modules.OrderBy(item => item.PageId).ThenBy(item => item.Pane).ThenBy(item => item.Order).ToList();
 
                 // languages
@@ -277,5 +291,30 @@ namespace Oqtane.Controllers
             }
             return hierarchy;
         }
+        private bool IsPageModuleVisible(DateTime? effectiveDate, DateTime? expiryDate)
+        {
+            DateTime currentUtcTime = DateTime.UtcNow;
+
+            // Check if either effectiveDate or expiryDate is provided
+            if (effectiveDate.HasValue && expiryDate.HasValue)
+            {
+                return currentUtcTime >= effectiveDate.Value && currentUtcTime <= expiryDate.Value;
+            }
+            // Check if only effectiveDate is provided
+            else if (effectiveDate.HasValue)
+            {
+                return currentUtcTime >= effectiveDate.Value;
+            }
+            // Check if only expiryDate is provided
+            else if (expiryDate.HasValue)
+            {
+                return currentUtcTime <= expiryDate.Value;
+            }
+            // If neither effectiveDate nor expiryDate is provided, consider the page/module visible
+            else
+            {
+                return true;
+            }
+        }
     }
 }
diff --git a/Oqtane.Server/Migrations/Tenant/05010001_AddPageEffectiveExpiryDate.cs b/Oqtane.Server/Migrations/Tenant/05010001_AddPageEffectiveExpiryDate.cs
new file mode 100644
index 00000000..bed22cd2
--- /dev/null
+++ b/Oqtane.Server/Migrations/Tenant/05010001_AddPageEffectiveExpiryDate.cs
@@ -0,0 +1,32 @@
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata.Internal;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Oqtane.Databases.Interfaces;
+using Oqtane.Migrations.EntityBuilders;
+using Oqtane.Repository;
+
+namespace Oqtane.Migrations.Tenant
+{
+    [DbContext(typeof(TenantDBContext))]
+    [Migration("Tenant.05.01.00.01")]
+    public class AddPageEffectiveExpiryDate : MultiDatabaseMigration
+    {
+        public AddPageEffectiveExpiryDate(IDatabase database) : base(database)
+        {
+        }
+
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            var pageEntityBuilder = new PageEntityBuilder(migrationBuilder, ActiveDatabase);;
+            pageEntityBuilder.AddDateTimeColumn("EffectiveDate", true);
+            pageEntityBuilder.AddDateTimeColumn("ExpiryDate", true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            var pageEntityBuilder = new PageEntityBuilder(migrationBuilder, ActiveDatabase);
+            pageEntityBuilder.DropColumn("EffectiveDate");
+            pageEntityBuilder.DropColumn("ExpiryDate");
+        }
+    }
+}
diff --git a/Oqtane.Server/Migrations/Tenant/05010002_AddPageModuleEffectiveExpiryDate.cs b/Oqtane.Server/Migrations/Tenant/05010002_AddPageModuleEffectiveExpiryDate.cs
new file mode 100644
index 00000000..f0b9147d
--- /dev/null
+++ b/Oqtane.Server/Migrations/Tenant/05010002_AddPageModuleEffectiveExpiryDate.cs
@@ -0,0 +1,32 @@
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata.Internal;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Oqtane.Databases.Interfaces;
+using Oqtane.Migrations.EntityBuilders;
+using Oqtane.Repository;
+
+namespace Oqtane.Migrations.Tenant
+{
+    [DbContext(typeof(TenantDBContext))]
+    [Migration("Tenant.05.01.00.02")]
+    public class AddPageModuleEffectiveExpiryDate : MultiDatabaseMigration
+    {
+        public AddPageModuleEffectiveExpiryDate(IDatabase database) : base(database)
+        {
+        }
+
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            var pageModuleEntityBuilder = new PageModuleEntityBuilder(migrationBuilder, ActiveDatabase);;
+            pageModuleEntityBuilder.AddDateTimeColumn("EffectiveDate", true);
+            pageModuleEntityBuilder.AddDateTimeColumn("ExpiryDate", true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            var pageModuleEntityBuilder = new PageModuleEntityBuilder(migrationBuilder, ActiveDatabase);
+            pageModuleEntityBuilder.DropColumn("EffectiveDate");
+            pageModuleEntityBuilder.DropColumn("ExpiryDate");
+        }
+    }
+}
diff --git a/Oqtane.Shared/Models/Module.cs b/Oqtane.Shared/Models/Module.cs
index 07c2a507..5d03c405 100644
--- a/Oqtane.Shared/Models/Module.cs
+++ b/Oqtane.Shared/Models/Module.cs
@@ -75,10 +75,16 @@ namespace Oqtane.Models
         [NotMapped]
         public string ContainerType { get; set; }
 
+        [NotMapped]
+        public DateTime? EffectiveDate { get; set; }
+
+        [NotMapped]
+        public DateTime? ExpiryDate { get; set; }
+
         #endregion
 
         #region SiteRouter properties
-        
+
         [NotMapped]
         public string ModuleType { get; set; }
         [NotMapped]
diff --git a/Oqtane.Shared/Models/Page.cs b/Oqtane.Shared/Models/Page.cs
index c4c74a9a..a1b6d370 100644
--- a/Oqtane.Shared/Models/Page.cs
+++ b/Oqtane.Shared/Models/Page.cs
@@ -82,6 +82,14 @@ namespace Oqtane.Models
         public bool IsNavigation { get; set; }
         public bool IsClickable { get; set; }
         public int? UserId { get; set; }
+        /// <summary>
+        /// Start of when this assignment is valid. See also <see cref="ExpiryDate"/>
+        /// </summary>
+        public DateTime? EffectiveDate { get; set; }
+        /// <summary>
+        /// End of when this assignment is valid. See also <see cref="EffectiveDate"/>
+        /// </summary>
+        public DateTime? ExpiryDate { get; set; }
         public bool IsPersonalizable { get; set; }
 
         #region IDeletable Properties
diff --git a/Oqtane.Shared/Models/PageModule.cs b/Oqtane.Shared/Models/PageModule.cs
index e8ff50e5..e3f0adb9 100644
--- a/Oqtane.Shared/Models/PageModule.cs
+++ b/Oqtane.Shared/Models/PageModule.cs
@@ -41,7 +41,14 @@ namespace Oqtane.Models
         /// Reference to a Razor Container which wraps this module instance.
         /// </summary>
         public string ContainerType { get; set; }
-
+        /// <summary>
+        /// Start of when this assignment is valid. See also <see cref="ExpiryDate"/>
+        /// </summary>
+        public DateTime? EffectiveDate { get; set; }
+        /// <summary>
+        /// End of when this assignment is valid. See also <see cref="EffectiveDate"/>
+        /// </summary>
+        public DateTime? ExpiryDate { get; set; }
         #region IDeletable Properties
 
         public string DeletedBy { get; set; }