24 C.F.R. § 792.204
Recordkeeping and reporting
To permit HUD to audit amounts retained under this part, an PHA must maintain all records required by HUD, including:
(a) Amounts recovered on any judgment or repayment agreement;
(b) The nature of the judgment or repayment agreement; and
(c) The amount of the legal fees and expenses incurred in obtaining the judgment or repayment agreement and recovery.