48 CFR § 231.603 - 231.603 Requirements.

---
identifier: "/us/cfr/t48/s231.603"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "48 CFR § 231.603 - 231.603   Requirements."
title_number: 48
title_name: "Federal Acquisition Regulations System"
section_number: "231.603"
section_name: "231.603   Requirements."
chapter_number: 2
chapter_name: "DEFENSE ACQUISITION REGULATIONS SYSTEM, DEPARTMENT OF DEFENSE"
subchapter_number: "E"
subchapter_name: "GENERAL CONTRACTING REQUIREMENTS"
part_number: "231"
part_name: "CONTRACT COST PRINCIPLES AND PROCEDURES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "41 U.S.C. 1303 and 48 CFR chapter 1."
regulatory_source: "56 FR 36408, July 31, 1991, unless otherwise noted."
cfr_part: "231"
---


# 231.603 231.603   Requirements.

Under 10 U.S.C. 4652, the costs cited in 231.205-22(a) are unallowable.

[61 FR 36306, July 10, 1996, as amended at 62 FR 47155, Sept. 8, 1997; 63 FR 14641, Mar. 26, 1998; 87 FR 76995, Dec. 16, 2022]