diff --git a/OpenActive.NET/ILegalEntity.cs b/OpenActive.NET/ILegalEntity.cs
index 0ae5bf4..9e5a3e8 100644
--- a/OpenActive.NET/ILegalEntity.cs
+++ b/OpenActive.NET/ILegalEntity.cs
@@ -32,6 +32,7 @@ public interface ILegalEntity
         List<Uri> SameAs { get; set; }
         string DisplayName { get; }
         bool? IsOpenBookingAllowed { get; set; }
+        ReferenceValue<CustomerAccount> HasAccount { get; set; }
     }
 
     public static class LegalEntityConverter