D.C. Mun. Regs. tit. 14, § 3904
3904.1 Individual tenants involved in any proceeding shall be individually identified.
3904.2 Any tenant association may file and shall be granted party status to prosecute or defend a petition on behalf of any one or more of its members who have provided the association with written authorization to represent them in the action, or to seek on behalf of all members and any injunctive relief available under the Rental Housing Act of 1985, effective July 17, 1985 (D.C. Law 6-10; D.C. Official Code § 42-3501.01 set seq.). No further inquiry into the membership of the association shall be permitted.
3904.3 Any tenant association that is a party to the action pursuant to § 3904.2 shall be listed in the caption.
SOURCE: Notice of Final Rulemaking published at 33 DCR 1336, 1354 (March 7, 1986); as amended by the Tenant Organization Petition Standing Amendment Act of 2010, effective September 24, 2010 (D.C. Law 18-226), published at 57 DCR 6920, 6921 (August 6, 2010).