Code of Federal Regulations Title 45. Public Welfare § 45.75.309 Period of performance and availability of funds

(a) A non–Federal entity may charge to the Federal award only allowable costs incurred during the period of performance (except as described in § 75.461) and any costs incurred before the HHS awarding agency or pass-through entity made the Federal award that were authorized by the Federal awarding agency or pass-through entity. Funds available to pay allowable costs during the period of performance include both Federal funds awarded and carryover balances.

(b) A non–Federal entity must liquidate all obligations incurred under the award not later than 90 days after the end of the funding period (or as specified in a program regulation) to coincide with the submission of the final Federal Financial Report (FFR). This deadline may be extended with prior written approval from the HHS awarding agency.