Except as may be required by statute, the Civil Service Rules and Regulations shall not apply to removals from positions listed in Schedules A, C, or D or from positions excepted from the competitive service by statute. The Civil Service Rules and Regulations shall apply to removals from positions listed in Schedule B of persons who have competitive status. [28 FR 10025, Sept. 14, 1963, as amended by E.O. 13562, 75 FR 82587, Dec. 30, 2010]