Before final determination of such value the Commission shall, after notice of not less than 30 days to the public utility, hold a public hearing as to such valuation in the manner hereinafter provided for a hearing, which provisions, so far as applicable, shall apply to such hearing. The Commission shall, within 10 days after such valuation is determined, serve a statement thereof upon the public utility interested, and shall file a like statement with the District committees in Congress.
D.C. Code § 34-1107
Rules and regulations, power of Commission to adopt, see § 34-902. .