On the HUD 1003 Addendum form you can see on lines 13 and 14 the Lender I.D and Sponsor I.D.
Retrieve Leadner ID # from another FHA Loan. Closed or Open
You can check to verify the Lender I.D code and there should be no Sponsor I.D when running AUS in DU.
You also should verify Sponsor I.D when running it through DO.