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

(b) When another agency is owed the debt, Peace Corps may use salary offset against one of its employees who is indebted to another agency, if requested to do so by that agency. Such request must be accompanied by a certification that the person owes the debt (including the amount and basis of the debt and the due date of payment) and that the agency has complied with its regulations as required by 5 U.S.C. 5514 and 5 CFR part 550, subpart K.