29 C.F.R. § 20.60 Application of partial payments to amounts owed.
Title 29 - Labor
When a debt is paid in partial or installment payments, amounts received by the responsible agency should be applied first to outstanding penalty and administrative cost charges, second to accrued interest, and third to outstanding principal.
Title 29: Labor
PART 20—FEDERAL CLAIMS COLLECTION
Subpart C—Interest, Penalties and Administrative Costs
§ 20.60 Application of partial payments to amounts owed.