D.C. Mun. Regs. tit. 17, § 7101
7101.1 Subject to 7102.2, a registration issued pursuant to this chapter shall expire at 12:00 midnight on February 28 of each even-numbered year.
7101.2 If the Director changes the renewal system pursuant to Section 4006.3 of Chapter 40 of this title, a registration 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.
SOURCE: Final Rulemaking published at 37 DCR 6010 (September 14, 1990).