D.C. Mun. Regs. tit. 15, § 1304
1304.1 Each public utility, competitive electric supplier, competitive natural gas supplier, and CLEC shall be required to reimburse a fraction of any supplemental appropriation received by People's Counsel or the Commission during the fiscal year according to the formula under § 1301.
1304.2 If the fourth (4th) quarter invoice has already been issued, a special invoice shall be issued during the fourth (4th) quarter.
SOURCE: Final Rulemaking published at 29 DCR 3245, 3247 (July 30, 1982); as amended by Final Rulemaking published at 53 DCR 4141 (May 19, 2006).