N.Y. Village Law § 5-504
Upon receipt of the estimates of the head of each administrative unit, the budget officer shall prepare a tentative budget. He may also prepare a budget message explaining the main features of the budget and containing such additional information as he may deem advisable. He shall furnish a copy of the tentative budget and the budget message, if any, to each member of the board of trustees and he shall reproduce for public distribution as many copies as he may deem necessary. On or before the twentieth day of March, or such other date as may be applicable pursuant to section 5-510 of this article or section 17-1729 of article seventeen, he shall file in the office of the village clerk the tentative budget, the budget message, if any, and the estimates, schedules and statements submitted by the heads of the administrative units.
N.Y. Village Law § 5-504