4900.1 Application. This chapter provides rules governing public utility tariff applications and filings in the District of Columbia. This chapter shall not apply to the tariff filings of non-utility energy suppliers and competitive local exchange carriers.

Purpose. These rules provide uniform filing requirements for public utility tariff filings in the District of Columbia.

SOURCE: Final Rulemaking published at 72 DCR 008215 (July 25, 2025).