[Ref. El. 11-3-1998]
It shall be the duty of the town manager to compile preliminary estimates for the annual budget. The head of each department, office or agency of the town supported wholly or in part from town funds, or for which a specific town appropriation is made, except the board of education, shall, at least ninety (90) days before the end of the fiscal year, file with the town manager on forms provided by the town manager a detailed estimate of the expenditures to be made by said department or agency and the revenue, other than tax revenues, to be collected thereby in the ensuing fiscal year.