253.4—Coverage and exclusions.
(a) Applicability.
Except as otherwise provided by an agency head in adopting this employment system for application to an agency, the regulations in this part apply to all applicants for employment and employees, irrespective of citizenship, and to all positions except the employees and positions excluded pursuant to § 253.8.
(b) Exclusions.
The Assistant Secretary of Army may exclude employees or positions from any or all provisions of this part and may revoke such exclusions.