Whenever in accordance with the provisions of the Charter, the Public Utilities Commission of the City and County shall submit to the Board of Supervisors a proposal to fix, change or adjust rates, charges or fares for the furnishing of service by any utility under its jurisdiction, the Public Utilities Commission shall submit in support thereof all of the data upon which the proposal is based and a report of the anticipated effect of the proposal upon the budget of the affected utility for the then current and ensuing fiscal year, together with all the data supporting such conclusions, and a statement of the anticipated tax subsidy, if any, for such years
(Ord. No. 7384 (1939), Sec 1)