diff --git a/client/dotnet/domain/data/command/TransmitCardRequestCmdBody.cs b/client/dotnet/domain/data/command/TransmitCardRequestCmdBody.cs
index 52d5ce0..a0bc677 100644
--- a/client/dotnet/domain/data/command/TransmitCardRequestCmdBody.cs
+++ b/client/dotnet/domain/data/command/TransmitCardRequestCmdBody.cs
@@ -21,13 +21,13 @@ public class TransmitCardRequestCmdBody
         /// Core API level.
         /// </summary>
         [JsonProperty("coreApiLevel")]
-        public int CoreApiLevel = ApiInfo.CORE_API_LEVEL;
+        public required int CoreApiLevel { get; set; }
 
         /// <summary>
         /// Service name.
         /// </summary>
         [JsonProperty("service")]
-        public const string Service = "TRANSMIT_CARD_SELECTION_REQUESTS";
+        public required string Service { get; set; }
 
         /// <summary>
         /// Parameters for transmitting a card request.
diff --git a/client/dotnet/domain/data/endremoteservice/EndRemoteServiceBody.cs b/client/dotnet/domain/data/endremoteservice/EndRemoteServiceBody.cs
index c998b4f..68580a8 100644
--- a/client/dotnet/domain/data/endremoteservice/EndRemoteServiceBody.cs
+++ b/client/dotnet/domain/data/endremoteservice/EndRemoteServiceBody.cs
@@ -20,7 +20,7 @@ public class EndRemoteServiceBody
     /// Core API level.
     /// </summary>
     [JsonProperty("coreApiLevel")]
-    public const int CoreApiLevel = ApiInfo.CORE_API_LEVEL;
+    public required int CoreApiLevel { get; set; }
 
     /// <summary>
     /// Gets or sets the OutputData.