§ 73. Fiscal year; departmental estimates. The fiscal year of the city
shall commence on the first day of January. On or before the first day
of November in each year all heads of departments and officers empowered
by law or by city ordinance to control or authorize expenditures shall
furnish to the mayor estimates in writing of the amount of expenditures
for the next fiscal year in their respective departments or offices,
including a statement of the salaries of all their subordinates, which
estimates the mayor shall lay before the board of estimate and
apportionment at its first meeting thereafter, and the same shall be
entered in its minutes.