D.C. Mun. Regs. tit. 11-I, § 520
520
520.1 A building in the D-3 zone is subject to the use regulations in Subtitle I, Chapter 3 and may generate or use credits in accordance with Subtitle I, Chapters 8 and 9.
SOURCE: Final Rulemaking published at 63 DCR 2447, 3041 (March 4, 2016 – Part 2).