CFR > Title 5 - Administrative Personnel > CHAPTER I—OFFICE OF PERSONNEL MANAGEMENT > SUBCHAPTER B—CIVIL SERVICE REGULATIONS (parts 110 to 990) > PART 315—CAREER AND CAREER-CONDITIONAL EMPLOYMENT > SUBPART I—Probation on Initial Appointment to a Supervisory or Managerial Position (§315.901 to §315.909) > 315.902—Definitions.