D.C. Mun. Regs. tit. 17, § 4501
4501.1 Subject to § 4501.2, a license issued pursuant to this chapter shall expire at 12:00 midnight of November 1 of each odd-numbered year.
4501.2 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 birthdate of the holder of the license, or other date established by the Director.
SOURCE: Final Rulemaking published at 35 DCR 3518 (May 13, 1988); as amended by Final Rulemaking published at 42 DCR 1428 (March 24, 1995).