[Code of Federal Regulations] [Title 5, Volume 1] [Revised as of January 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR315.905] [Page 169] 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. 315.905 Length of the probationary period. The authority to determine the length of the probationary period is delegated to the head of each agency, provided that it be of reasonable fixed duration, appropriate to the position, and uniformly applied. An agency may establish different probationary periods for different occupations or a single one for all agency employees.