---
kind: "section"
citation: "41 U.S.C. § 4307"
title: "41"
title_heading: "Public Contracts"
number: "4307"
heading: "Contractor certification"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/41/4307"
units:
  - "Subtitle I — Federal Procurement Policy"
  - "Division C — Procurement"
  - "Chapter 43 — Allowable Costs"
---

# §4307. Contractor certification

- (a) **Content and Form.—** A proposal for settlement of indirect costs applicable to a [covered contract](/usc/41/4301.md?p=2) shall include a certification by an [official](/usc/41/2101.md?p=5) of the contractor that, to the best of the certifying [official](/usc/41/2101.md?p=5)’s knowledge and belief, all indirect costs included in the proposal are allowable. The certification shall be in a form prescribed in the Federal Acquisition Regulation.
- (b) **Waiver.—** An executive agency may, in an exceptional case, waive the requirement for certification under [subsection (a)](#a) in the case of a contract if the agency—
  - (1) determines that it would be in the interest of the Federal Government to waive the certification; and
  - (2) states in writing the reasons for the determination and makes the determination available to the public.

## Source credit

(Pub. L. 111–350, § 3, Jan. 4, 2011, 124 Stat. 3788.)

## Notes

| Historical and Revision Notes |  |  |
| --- | --- | --- |
| Revised<br>Section | Source (U.S. Code) | Source (Statutes at Large) |
| 4307 | 41:256(h). | June 30, 1949, ch. 288, title III, § 306(h), as added Pub. L. 100–700, § 8(a)(1), Nov. 19, 1988, 102 Stat. 4634; Pub. L. 103–355, title II, § 2151, Oct. 13, 1994, 108 Stat. 3313. |