D.C. Mun. Regs. tit. 15, § 2821
2821.1 Whenever compliance with any requirement of this chapter would result in unreasonable hardship upon or excessive expense to a party or parties subject to the rules of this chapter, the Commission may, upon application or sua sponte, and for good cause shown, waive or modify the requirements of this chapter.
SOURCE: Notice of Final Rulemaking published at 50 DCR 8198 (October 3, 2003); as amended by Notice of Final Rulemaking published at 58 DCR 8585, 8595 (October 7, 2011).