D.C. Mun. Regs. tit. 17, § 9001
9001.1 No person shall perform or be permitted to perform any duties as a dental assistant without a registration issued by the Board.
9001.2 Notwithstanding Subsection 9001.1, a person who is performing the duties of a dental assistant on the effective date of this chapter shall obtain a registration no later than September 17, 2012.
SOURCE: Notice of Final Rulemaking published at 58 DCR 5852, 5853 (July 15, 2011); as amended by Final Rulemaking published at 60 DCR 2401 (March 1, 2013); as amended by Final Rulemaking published at 60 DCR 10055 (July 12, 2013).