Code of Federal Regulations Title 48. Federal Acquisition Regulations System 48.211.274-3 Policy for valuation

(1) For fixed-price type line, subline, or exhibit line items, the unit price identified in the contract at the time of delivery;

(2) For cost-type or undefinitized line, subline, or exhibit line items, the contractor's estimated fully burdened unit cost to the Government at the time of delivery;  and

(3) For items delivered under a time-and-materials contract, the contractor's estimated fully burdened unit cost to the Government at the time of delivery.