diff --git a/src/Twikey/Model/Mandate.cs b/src/Twikey/Model/Mandate.cs
index 3f3da11..b09a335 100644
--- a/src/Twikey/Model/Mandate.cs
+++ b/src/Twikey/Model/Mandate.cs
@@ -147,6 +147,7 @@ public class Pstladr
     public class Ctctdtls
     {
         public string EmailAdr { get; set; }
+        public string Othr { get; set; }
     }
 
     public class Dbtr