A teacher's license in dentistry and a teacher's license in dental hygiene shall expire on the earlier of:
The holder of a teacher's license in dentistry or dental hygiene shall surrender the license to the Board within thirty (30) days of ceasing to be a full-time or part-time faculty member at the institution named on the license.
Subject to § 9202.4, a teacher's license in dentistry and a teacher's license in dental hygiene issued pursuant to this chapter shall expire at 11:59 PM of December 31st of each odd-numbered year.
If the Director changes the renewal system pursuant to § 4006.3 of Chapter 40 of this title, a teacher's license in dentistry and a teacher's license in dental hygiene issued pursuant to this chapter shall expire at 12:00 midnight of the last day of the month of the birthdate of the holder of the registration or other date established by the Director.
D.C. Mun. Regs. tit. 17, r. 17-9202