CFR › Title 49 › Part 501Part 501 — Organization and Delegation of Powers and Duties§ 501.1— Purpose.§ 501.2— General.§ 501.3— Organization and general responsibilities.§ 501.4— Succession to Administrator.§ 501.5— Exercise of authority.§ 501.6— Secretary's reservations of authority.§ 501.7— Administrator's reservations of authority.§ 501.8— Delegations.