D.C. Mun. Regs. tit. 11-I, § 567
567
567.1 A building in the D-6-R zone fronting on a designated primary or secondary street shall be subject to the design regulations in Subtitle I § 602.
567.2 A building in the D-6-R zone on a lot in the Pennsylvania Avenue Sub-Area is subject to the design requirements referenced in Subtitle I § 608.
SOURCE: Final Rulemaking published at 63 DCR 2447, 3041 (March 4, 2016 – Part 2).