diff --git a/EnvelopeGenerator.Application/Common/Dto/EnvelopeDto.cs b/EnvelopeGenerator.Application/Common/Dto/EnvelopeDto.cs
index 7331d1b7..029d621a 100644
--- a/EnvelopeGenerator.Application/Common/Dto/EnvelopeDto.cs
+++ b/EnvelopeGenerator.Application/Common/Dto/EnvelopeDto.cs
@@ -74,6 +74,11 @@ public record EnvelopeDto
     /// </summary>
     public int? EnvelopeTypeId { get; set; }
 
+    /// <summary>
+    /// 
+    /// </summary>
+    public bool ReadOnly => EnvelopeTypeId == 2;
+
     /// <summary>
     /// 
     /// </summary>
diff --git a/EnvelopeGenerator.Domain/Entities/Envelope.cs b/EnvelopeGenerator.Domain/Entities/Envelope.cs
index 94e3b6c1..741a3b93 100644
--- a/EnvelopeGenerator.Domain/Entities/Envelope.cs
+++ b/EnvelopeGenerator.Domain/Entities/Envelope.cs
@@ -108,10 +108,6 @@ public class Envelope
     [Column("ENVELOPE_TYPE")]
     public int? EnvelopeTypeId { get; set; }
 
-    [JsonIgnore]
-    [NotMapped]
-    public bool ReadOnly => EnvelopeTypeId == 2;
-
     [Column("CERTIFICATION_TYPE")]
     public int? CertificationType { get; set; }