48 CFR 50.103-7: 50.103-7 Contract requirements.

(a) Pub. L. 85-804 and E.O. 10789 require that every contract entered into, amended, or modified under this Subpart 50.1 shall contain—

(1) A citation of Pub. L. 85-804 and E.O. 10789;

(2) A brief statement of the circumstances justifying the action; and

(3) A recital of the finding that the action will facilitate the national defense.

(b) The authority in 50.101-1(a) shall not be used to omit from contracts, when otherwise required, the clauses at 52.203-5, Covenant Against Contingent Fees; 52.215-2, Audit and Records—Negotiation; 52.222-4, Contract Work Hours and Safety Standards—Overtime Compensation; 52.222-6, Construction Wage Rate Requirements; 52.222-10, Compliance With Copeland Act Requirements; 52.222-20, Contracts for Materials, Supplies, Articles, and Equipment; 52.222-26, Equal Opportunity; and 52.232-23, Assignment of Claims.