D.C. Code § 34-1108
The Commission may at any time, on its own initiative, make a revaluation of the property of any public utility.
Mar. 4, 1913, 37 Stat. 978, ch. 150, § 8, par. 9
1973 Ed., § 43-308.
1981 Ed., § 43-508.
Valuation instruction, Commission’s request from court of appeals, see § 34-604.
Investigations of public utilities, assessing expenses, see § 34-912.