D.C. Mun. Regs. tit. 11-U, § 101
101.1 When special exception relief is permitted for a use not meeting the matter-of-right requirements for its use group, that special exception relief shall not be used to relieve a condition that prohibits a use or activity or places a limitation on a use or to permit a prohibited use or a use that is specifically identified as not permitted.
SOURCE: Final Rulemaking published at 63 DCR 10932 (August 26, 2016).