[Code of Federal Regulations] [Title 5, Volume 1] [Revised as of January 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR315.903] [Page 172] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER I--OFFICE OF PERSONNEL MANAGEMENT PART 315_CAREER AND CAREER-CONDITIONAL EMPLOYMENT--Table of Contents Subpart I_Probation on Initial Appointment to a Supervisory or Managerial Position Sec. 315.903 Coverage. This subpart applies to appointments and positions without time limitation in the competitive civil service. Agencies may, at their option, apply these provisions to time-limited appointments and positions. This subpart does not apply to appointments or positions in the Senior Executive Service.