41 USC § 4309 - Burden of proof on contractor

---
identifier: "/us/usc/t41/s4309"
source: "usc"
legal_status: "official_legal_evidence"
title: "41 USC § 4309 - Burden of proof on contractor"
title_number: 41
title_name: "PUBLIC CONTRACTS"
section_number: "4309"
section_name: "Burden of proof on contractor"
chapter_number: 43
chapter_name: "ALLOWABLE COSTS"
positive_law: true
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Pub. L. 111–350, § 3, Jan. 4, 2011, 124 Stat. 3788.)"
---


# § 4309. Burden of proof on contractor

In a proceeding before a board of contract appeals, the United States Court of Federal Claims, or any other Federal court in which the reasonableness of indirect costs for which a contractor seeks reimbursement from the Federal Government is in issue, the burden of proof is on the contractor to establish that those costs are reasonable.

---

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

| RevisedSection | Source (U.S. Code) | Source (Statutes at Large) |
| --- | --- | --- |
| 4309 | 41:256(j). | June 30, 1949, ch. 288, title III, § 306(j), 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. |