D.C. Mun. Regs. tit. 11-C, § 1400
1400
1400.1 The provisions of this chapter shall apply to the construction of a retaining wall in any R or RF zone.
SOURCE: Final Rulemaking published at 63 DCR 2447, 2712 (March 4, 2016 – Part 2).
Zoning Regulations of 2016:
General Rules
11-C DCMR § 1400