41 U.S.C. § 4502
- (a)When practicable, payments under section 4501 of this title shall be made on any of the following bases:
- (1)Performance measured by objective, quantifiable methods such as delivery of acceptable items, work measurement, or statistical process controls.
- (2)Accomplishment of events defined in the program management plan.
- (3)Other quantifiable measures of results.
- (b)Payments made under section 4501 of this title may not exceed the unpaid contract price.