query: when does a "repair credit" not go on the hud

If there is a repair credit from seller to buyer and there is a mortgage lender involved in the transaction the credit goes on the HUD-1, period, end of story.  Any other suggestion, even if it comes from a representative of the lender is collusion to defraud the lender.  What?  How could a lender representative collude to defraud itself?  Well, just test the representative.  Ask for written