49 CFR § 663.3 - Scope.

---
identifier: "/us/cfr/t49/s663.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 663.3 - Scope."
title_number: 49
title_name: "Transportation"
section_number: "663.3"
section_name: "Scope."
chapter_name: "FEDERAL TRANSIT ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
part_number: "663"
part_name: "PRE-AWARD AND POST-DELIVERY AUDITS OF ROLLING STOCK PURCHASES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 1608(j); 23 U.S.C. 103(e)(f); Pub. L. 96-184, 93 Stat. 1320; Pub. L. 101-551, 104 Stat. 2733; sec. 3023(m), Pub. L. 109-59; 49 CFR 1.51."
regulatory_source: "56 FR 48395, Sept. 24, 1991, unless otherwise noted."
cfr_part: "663"
---


# 663.3 Scope.

This part applies to a recipient purchasing rolling stock to carry passengers in revenue service with funds made available under sections 3, 9, 18, and 16(b)(2) of the Federal Mass Transit Act, as amended; 23 U.S.C. 103(e)(4); and section 14 of the National Capital Transportation Act of 1969, as amended.