(5)Other independent establishments that are entities of the Federal Government. Certification means a written debt claim, as prescribed by § 179.209, that is received from a creditor agency and which requests the paying agency to offset the salary of an employee. Claim See debt. Creditor agency means an agency of the Federal Government to which the debt is owed. For purposes of this part creditor agency includes OPM, unless otherwise noted. Debt means money owed by an employee of the Federal Government to an agency of the Federal Government, from sources which include loans insured or guaranteed by the United States and all other amounts due the Government from fees, leases, rents, royalties, services, sales of real or personal property, overpayments, penalties, damages, interests, fines and forfeitures (except those arising under the Uniform Code of Military Justice) and all other similar sources. Delinquent means the failure to pay an obligation or debt by the date specified in the initial notification or applicable contractual agreement, unless other payment arrangements have been agreed to by OPM and the debtor by that date, or if, at any time thereafter, the debtor fails to satisfy the obligations under a payment agreement with the creditor agency. Director means the Director of OPM or his or her designee. Disposable pay means that part of current basic pay, special pay, incentive pay, retired pay, retainer pay, or, in the case of an employee not entitled to basic pay, other authorized pay remaining after the deduction of any amount required by law to be withheld. OPM shall allow the following deductions, and any others required by law to be withheld, in determining disposable pay subject to salary offset;