Source:
Commissioners’ Order 274, 310/949 effective September 1, 1949, 17 DCRR §§ 52(b), 78, 108, 116.2, 153(e) (October 19, 1970); as amended by Final Rulemaking published at 35 DCR 2104 (March 18, 1988); as amended by Final Rulemaking published at 56 DCR 200, 201 (January 9, 2009).