D.C. Mun. Regs. tit. 11, § 302
302.1 Any use or structure permitted in R-1 Districts under §§ 205 through 209, 211 through 221, and 223 shall be permitted as a special exception in an R-2 District if approved by the Board of Zoning Adjustment under § 3104.
302.2 A college or university use permitted in R-1 Districts under § 210 shall be permitted as a special exception in an R-2 District if approved by the Zoning Commission under § 3104.
SOURCE: § 3102.4 of the Zoning Regulations, effective May 12, 1958; as amended by Final Rulemaking published at 47 DCR 9725, 9729-9730 (December 8, 2000).