D.C. Mun. Regs. tit. 11-I, § 536
536
536.1 A building in the D-4-R zone is subject to the use regulations in Subtitle I, Chapter 3 and may generate or receive credits pursuant to Subtitle I, Chapters 8 and 9.
536.2 A building in the D-4-R zone fronting a designated primary street segment shall meet the use requirements of Subtitle I § 601 and the design requirements of Subtitle I § 602.
536.3 A building in the D-4-R zone fronting a designated primary street segment in the Mount Vernon Triangle Principal Intersection Area Sub-Area shall conform with the use requirements in I Subtitle § 612.
SOURCE: Final Rulemaking published at 63 DCR 2447, 3041 (March 4, 2016 – Part 2).