diff --git a/Registration/Data/IRegistrationDataService.cs b/Registration/Data/IRegistrationDataService.cs
index 8a4c757..f148591 100644
--- a/Registration/Data/IRegistrationDataService.cs
+++ b/Registration/Data/IRegistrationDataService.cs
@@ -22,6 +22,8 @@ public sealed class Applicant
     public string? WebsiteUrl { get; set; }
     public string? BusinessCategory { get; set; }
     public string? BusinessDescription { get; set; }
+    public string? FirstName { get; set; }
+    public string? LastName { get; set; }
     public string? ContactName { get; set; }
     public string? ContactEmail { get; set; }
     public string? ContactPhone { get; set; }
@@ -42,7 +44,9 @@ public sealed class RegisterRequest
     public string? WebsiteUrl { get; set; }
     public string? BusinessCategory { get; set; }
     public string? BusinessDescription { get; set; }
-    public string? ContactName { get; set; }
+    public string? FirstName { get; set; }
+    public string? LastName { get; set; }
+    public string? ContactName { get; set; }      // Combined first + last, set by client
     public string? ContactEmail { get; set; }
     public string? ContactPhone { get; set; }
     public string? EntraSubjectId { get; set; }