D.C. Mun. Regs. tit. 15, § 1303
1303.1 By August 31st of each year, the Commission shall send each public utility, competitive electric supplier, competitive natural gas supplier, and CLEC separate Orders of Assessment for the Commission and the Office of the People's Counsel.
1303.2 Invoices shall be paid in full to the Treasurer of the District of Columbia within thirty (30) days of the date of receipt, except that all invoices shall be paid before the last day of the fiscal year.
SOURCE: Final Rulemaking published at 29 DCR 3245, 3246 (July 30, 1982); as amended by Final Rulemaking published at 53 DCR 4141 (May 19, 2006); as amended by Notice of Final Rulemaking published at 59 DCR 4230, 4231 (May 4, 2012).