(a) When HUD is owed the debt. When the Department is owed a debt by an employee of another agency, the other agency shall not initiate the requested offset until the Department provides the agency with a written certification that the debtor owes the Department a debt (including the amount and basis of the debt and the due date of the payment) and that the Department has complied with these regulations.

(b) When another agency is owed the debt. The Department may use salary offset against one of its employees who is indebted to another agency if requested to do so by that agency. Such a request must be accompanied by a certification by the requesting agency that the person owes the debt (including the amount) and that the employee has been given the procedural rights required by 5 U.S.C. 5514 and 5 CFR part 550, subpart K.