D.C. Mun. Regs. tit. 6-B, § 226
226
226.1
Except when the appointment is affected with a break in service of three (3) days or more, or as otherwise specified in this chapter, an employee who once satisfactorily completed a probationary period in the Career Service shall not be required to serve another probationary period.
226.2
An employee who once satisfactorily completed a probationary period in the Career Service shall be required to serve another probationary period when the employee:
(a) Is appointed through open competition to a position with a different educational requirement;
(b) Applies for and is appointed from a register to a uniformed position in the Metropolitan Police Department or the Fire and Emergency Medical Services Department; or
(c) Is appointed through open competition to a position with different licensure, certification, or other similar requirements.
SOURCE: Final Rulemaking published at 68 DCR 2869 (March 19, 2021).