10 USC § 4602 - Contracted property and services: prompt payment of vouchers

---
identifier: "/us/usc/t10/s4602"
source: "usc"
legal_status: "official_legal_evidence"
title: "10 USC § 4602 - Contracted property and services: prompt payment of vouchers"
title_number: 10
title_name: "ARMED FORCES"
section_number: "4602"
section_name: "Contracted property and services: prompt payment of vouchers"
chapter_number: 361
chapter_name: "CONTRACT ADMINISTRATION"
part_number: "V"
part_name: "ACQUISITION"
positive_law: true
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Added Pub. L. 106–398, § 1 [[div. A], title X, § 1006(a)(1)], Oct. 30, 2000, 114 Stat. 1654, 1654A–247, § 2226; amended Pub. L. 111–350, § 5(b)(7), Jan. 4, 2011, 124 Stat. 3842; Pub. L. 115–232, div. A, title VIII, § 836(e)(1), Aug. 13, 2018, 132 Stat. 1869; renumbered § 4602, Pub. L. 116–283, div. A, title XVIII, § 1861(b), Jan. 1, 2021, 134 Stat. 4277.)"
---


# § 4602. Contracted property and services: prompt payment of vouchers

**(a)** **Requirement.—** Of the contract vouchers that are received by the Defense Finance and Accounting Service by means of the mechanization of contract administration services system, the number of such vouchers that remain unpaid for more than 30 days as of the last day of each month may not exceed 5 percent of the total number of the contract vouchers so received that remain unpaid on that day.

**(b)** **Contract Voucher Defined.—** In this section, the term “contract voucher” means a voucher or invoice for the payment to a contractor for services or deliverable items provided by the contractor under a contract funded by the Department of Defense.

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**Source Credit**: (Added Pub. L. 106–398, § 1 [[div. A], title X, § 1006(a)(1)], Oct. 30, 2000, 114 Stat. 1654, 1654A–247, § 2226; amended Pub. L. 111–350, § 5(b)(7), Jan. 4, 2011, 124 Stat. 3842; Pub. L. 115–232, div. A, title VIII, § 836(e)(1), Aug. 13, 2018, 132 Stat. 1869; renumbered § 4602, Pub. L. 116–283, div. A, title XVIII, § 1861(b), Jan. 1, 2021, 134 Stat. 4277.)

## Editorial Notes

### Amendments

2021— renumbered  as this section.

2018—Subsec. (b).  substituted “for services or deliverable items” for “for services, commercial items (as defined in ), or other deliverable items”.

2011—Subsec. (b).  substituted “” for “section 4(12) of the Office of Federal Procurement Policy Act ()”.

## Statutory Notes and Related Subsidiaries

### Effective Date of 2021 Amendment

Amendment by  effective , with additional provisions for delayed implementation and applicability of existing law, see , set out as a note preceding .

### Effective Date of 2018 Amendment

Amendment by  effective , subject to a savings provision, see , set out as an Effective Date of 2018 Amendment; Savings Provision note under , Domestic Security.

### Effective Date

> “
> 
> , United States Code [now
> 
> ] (as added by subsection (a)), shall take effect on
> 
> .”

, title X, § 1006(b)], , , 1654A–248, provided that: