D.C. Mun. Regs. tit. 11-I, § 578
578.1 With the exception of a building fronting on Independence Avenue, S.W. and subject to the Independence Avenue Sub-Area regulations in Subtitle I § 618, a building in the D-8 zone is subject to the front build-to regulations in Subtitle I § 203.
SOURCE: Final Rulemaking published at 63 DCR 2447, 3041 (March 4, 2016 – Part 2).