D.C. Mun. Regs. tit. 17, § 5401
5401.1 Subject to § 5401.2, a license issued pursuant to this chapter shall expire at 12:00 midnight of June 30 of each even-numbered year.
5401.2 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 622 (January 20, 1989); as amended by Final Rulemaking published at 51 DCR 8613 (September 3, 2004).