N.Y. Public Authorities Law § 3957
2. Pursuant to the procedures contained in this subdivision, each year during an advisory period or during a control period the county shall develop, and may from time to time modify, taking into account recommendations of the authority, a four-year financial plan covering the county and the covered organizations. Each financial plan and financial plan modification shall conform to the requirements of paragraph (a) of this subdivision and shall provide that the major operating funds of the county will be balanced in accordance with generally accepted accounting principles. The financial plan shall be developed and approved, and may from time to time be modified, in accordance with the following procedures: