D.C. Mun. Regs. tit. 26-A, § 2111
2111.1 The management of a sinking fund may not terminate the fund without the written approval of the Commissioner. After a final disposition of all claims, any remaining funds shall be returned to the owner.
2111.2 Notwithstanding Section 2111.1, the minimum period to return any remaining funds shall be three (3) years.
SOURCE: Final Rulemaking published at 36 DCR 5113 (July 21, 1989).