No person shall practice as a CNA in the District of Columbia longer than four (4) months without first being certified by the Board.
A nurse aide shall be certified pursuant to § 9604.1 and registered by the Board pursuant to § 9651.1 within four (4) months of his or her hire date. If a nursing assistant who is not certified changes employment from one (1) long-term care facility to another, the time he or she was employed in the first facility shall count towards the four (4) month period for employment.
D.C. Mun. Regs. tit. 17, r. 17-9601