D.C. Mun. Regs. tit. 11-I, § 301
301
301.1 The provision of residential use is required in a D zone with an “R”-suffix.
301.2 A property with frontage on a designated primary or secondary street segment is subject to the use requirements in Subtitle I, Chapter 6 for the sub-area in which the designated street frontage is located.
SOURCE: Final Rulemaking published at 63 DCR 2447, 3041 (March 4, 2016 – Part 2).