48 CFR §23.105

1. (a)Contracts performed or supplies delivered outside of the United States, unless the agency head determines that such application is in the interest of the United States.
2. (b)Weapon systems; however, compliance with applicable agency affirmative procurement programs is required for recovered materials per 23.107-1 (see 23.109(b)) (42 U.S.C. 6962) and for alternatives for ozone depleting substances per 23.107-4 (see 23.109(d)) (42 U.S.C. 7671l), unless a written justification exists as described at 23.104(a) (42 U.S.C. 6962(c)(1) and 7 U.S.C. 8102(a)(1)(B)).
3. (c)Energy-consuming products or systems designed or procured for combat or combat-related missions are not subject to the requirements in 23.107-3 (42 U.S.C. 8259b(a)(5)).
4. (d)Biobased products to be used in military equipment (products or systems designed or procured for combat or combat-related missions), spacecraft systems, or launch support equipment are not subject to the requirements in 23.107-2 (7 CFR 3201.3(e)).