That the consent and approval of Congress is hereby given for the Commonwealth of Virginia, the State of Maryland, and the District of Columbia to enter into a compact for the safety oversight of the Washington Metropolitan Area Transit Authority Metrorail system (known as the Metrorail Safety Commission Interstate Compact), which has been negotiated by representatives of the State, the Commonwealth, and the District, substantially as follows: ARTICLE I DEFINITIONS 1. As used in this MSC Compact, the following words and terms shall have the meanings set forth below, unless the context clearly requires a different meaning. Capitalized terms used herein, but not otherwise defined in this MSC Compact, shall have the definition set forth in regulations issued under 49 U.S.C. § 5329, as they may be revised from time to time. (a) Alternate Member means an alternate member of the Board; (b) Board means the board of directors of the Commission; (c) Commission means the Washington Metrorail Safety Commission; (d) Member means a member of the Board; (e) MSC Compact means this Washington Metrorail Safety Commission Interstate Compact; (f) Public Transportation Agency Safety Plan means the comprehensive agency safety plan for a rail transit agency required by 49 U.S.C. § 5329 and the regulations issued thereunder, as may be amended or revised from time to time; (g) Public Transportation Safety Certification Training Program means the federal certification training program, as established and amended from time to time by applicable federal laws and regulations, for federal and state employees, or other designated personnel, who conduct safety audits and examinations of public transportation systems, and employees of public transportation agencies directly responsible for safety oversight