# § 4502. Payment
**(a)** **Basis for Payment.—** 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)** **Payment Amount.—** Payments made under section 4501 of this title may not exceed the unpaid contract price.
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**Source Credit**: (Pub. L. 111–350, § 3, Jan. 4, 2011, 124 Stat. 3791.)
| RevisedSection | Source (U.S. Code) | Source (Statutes at Large) |
| --- | --- | --- |
| 4502(a) | 41:255(b). | June 30, 1949, ch. 288, title III, § 305(b), as added Pub. L. 103–355, title II, § 2051(b), Oct. 13, 1994, 108 Stat. 3304. |
| 4502(b) | 41:255(c). | June 30, 1949, ch. 288, title III, § 305(c), 63 Stat. 396; July 12, 1952, ch. 703, § 1(m), 66 Stat. 594; Pub. L. 85–800, § 4, Aug. 28, 1958, 72 Stat. 966; Pub. L. 103–355, title II, § 2051(a)(3), (5), Oct. 13, 1994, 108 Stat. 3304. |