D.C. Mun. Regs. tit. 17, § 4801
4801.1 Subject to § 4801.2, a license issued pursuant to this chapter shall expire at 12:00 midnight of December 31st of each even-numbered year.
4801.2 If the Director changes the renewal system pursuant to § 4006.3 of Chapter 40 of this title, a license issued pursuant to this chapter shall expire at 12:00 midnight of the last day of the month of the birth date of the holder of the license, or other date established by the Director.
SOURCE: Final Rulemaking published at 35 DCR 6658, 6659 (September 2, 1988); as amended by Final Rulemaking published at 55 DCR 7937 (July 25, 2008).