N.Y.C. Charter § 243: Section 243. The operating budget of the council.

Not later than the tenth day of March, the council shall approve and submit to the mayor detailed itemized estimates of the financial needs of the council for the ensuing fiscal year. Such estimates shall be comprised of at least one personal service unit of appropriation and at least one other than personal service unit of appropriation for each standing committee of the council and for each organizational unit established pursuant to section forty-five of this charter. The mayor shall include such estimates in the executive budget without revision, but with such recommendations as the mayor may deem proper.