29 CFR 4.51 : Labor (§ 0.735-1 To Parts 4908-4999) — (§ 0.735-1 To § 99.530) — Office Of The Secretary Of Labor (§ 0.735-1 To § 99.530) — Labor Standards For Federal Service Contracts (§ 4.1 To § 4.191) — Wage Determination Procedures (§ 4.50 To § 4.56) — Prevailing in the locality determinations.