Estimates in detail shall be submitted annually for the employment of mechanics, laborers, and watchmen, and the purchase of coal, oils, waste, and other supplies for the maintenance of sewers.
(June 27, 1906, 34 Stat. 494, ch. 3553; enacted, Apr. 9, 1997, D.C. Law 11-254, § 2, 44 DCR 1575.)
1981 Ed., § 47-208.
1973 Ed., § 47-206.