CFR › Title 39 › Part 4Part 4 — Officials (Article IV)§ 4.1— Chairman.§ 4.2— Vice Chairman.§ 4.3— Postmaster General.§ 4.4— Deputy Postmaster General.§ 4.5— Assistant Postmasters General, General Counsel, Judicial Officer, Chief Postal Inspector.§ 4.6— Secretary of the Board.