diff --git a/dotnet/AipsCore/AipsCore.csproj b/dotnet/AipsCore/AipsCore.csproj
index 021cc81..55eef2c 100644
--- a/dotnet/AipsCore/AipsCore.csproj
+++ b/dotnet/AipsCore/AipsCore.csproj
@@ -21,7 +21,6 @@
 
     <ItemGroup>
       <Folder Include="Application\Models\Shape\Command\DeleteShape\" />
-      <Folder Include="Domain\Models\WhiteboardMembership\Validation\" />
       <Folder Include="Infrastructure\Persistence\Db\Migrations\" />
     </ItemGroup>
 
diff --git a/dotnet/AipsCore/Infrastructure/Persistence/Whiteboard/WhiteboardRepository.cs b/dotnet/AipsCore/Infrastructure/Persistence/Whiteboard/WhiteboardRepository.cs
index 29518f9..f647ef2 100644
--- a/dotnet/AipsCore/Infrastructure/Persistence/Whiteboard/WhiteboardRepository.cs
+++ b/dotnet/AipsCore/Infrastructure/Persistence/Whiteboard/WhiteboardRepository.cs
@@ -58,11 +58,18 @@ public class WhiteboardRepository
         entity.State = model.State;
     }
     
-    public async Task<bool> WhiteboardCodeExists(WhiteboardCode whiteboardCode)
+    public async Task<bool> WhiteboardCodeExistsAsync(WhiteboardCode whiteboardCode)
     {
         return await Context.Whiteboards.AnyAsync(w => w.Code == whiteboardCode.CodeValue);
     }
 
+    public async Task<Domain.Models.Whiteboard.Whiteboard?> GetByCodeAsync(WhiteboardCode whiteboardCode, CancellationToken cancellationToken = default)
+    {
+        var entity = await Context.Whiteboards.FirstOrDefaultAsync(w => w.Code == whiteboardCode.CodeValue, cancellationToken);
+
+        return entity != null ? MapToModel(entity) : null;
+    }
+
     public async Task SoftDeleteAsync(WhiteboardId id, CancellationToken cancellationToken = default)
     {
         var entity = await Context.Whiteboards.FindAsync([new Guid(id.IdValue)], cancellationToken);
diff --git a/dotnet/AipsCore/Infrastructure/Persistence/WhiteboardMembership/WhiteboardMembership.cs b/dotnet/AipsCore/Infrastructure/Persistence/WhiteboardMembership/WhiteboardMembership.cs
index c2cd8d8..469654d 100644
--- a/dotnet/AipsCore/Infrastructure/Persistence/WhiteboardMembership/WhiteboardMembership.cs
+++ b/dotnet/AipsCore/Infrastructure/Persistence/WhiteboardMembership/WhiteboardMembership.cs
@@ -1,4 +1,5 @@
 using System.ComponentModel.DataAnnotations;
+using AipsCore.Domain.Models.WhiteboardMembership.Enums;
 
 namespace AipsCore.Infrastructure.Persistence.WhiteboardMembership;
 
@@ -15,11 +16,9 @@ public class WhiteboardMembership
 
     public User.User? User { get; set; } = null!;
     
-    public bool IsBanned { get; set; }
-    
     public bool EditingEnabled { get; set; }
     
-    public bool CanJoin { get; set; }
+    public WhiteboardMembershipStatus Status { get; set; }
     
     public DateTime LastInteractedAt { get; set; }
 }
\ No newline at end of file
diff --git a/dotnet/AipsCore/Infrastructure/Persistence/WhiteboardMembership/WhiteboardMembershipRepository.cs b/dotnet/AipsCore/Infrastructure/Persistence/WhiteboardMembership/WhiteboardMembershipRepository.cs
index 52bd6ba..b556326 100644
--- a/dotnet/AipsCore/Infrastructure/Persistence/WhiteboardMembership/WhiteboardMembershipRepository.cs
+++ b/dotnet/AipsCore/Infrastructure/Persistence/WhiteboardMembership/WhiteboardMembershipRepository.cs
@@ -24,9 +24,8 @@ public class WhiteboardMembershipRepository
             entity.Id.ToString(),
             entity.WhiteboardId.ToString(),
             entity.UserId.ToString(),
-            entity.IsBanned,
             entity.EditingEnabled,
-            entity.CanJoin,
+            entity.Status,
             entity.LastInteractedAt
         );
     }
@@ -38,18 +37,16 @@ public class WhiteboardMembershipRepository
             Id = new Guid(model.Id.IdValue),
             WhiteboardId = new Guid(model.WhiteboardId.IdValue),
             UserId = new Guid(model.UserId.IdValue),
-            IsBanned = model.IsBanned.IsBannedValue,
             EditingEnabled = model.EditingEnabled.EditingEnabledValue,
-            CanJoin = model.CanJoin.CanJoinValue,
+            Status = model.Status,
             LastInteractedAt = model.LastInteractedAt.LastInteractedAtValue
         };
     }
 
     protected override void UpdateEntity(WhiteboardMembership entity, Domain.Models.WhiteboardMembership.WhiteboardMembership model)
     {
-        entity.IsBanned = model.IsBanned.IsBannedValue;
         entity.EditingEnabled = model.EditingEnabled.EditingEnabledValue;
-        entity.CanJoin = model.CanJoin.CanJoinValue;
+        entity.Status = model.Status;
         entity.LastInteractedAt = model.LastInteractedAt.LastInteractedAtValue;
     }