N.Y. Real Property Tax Law § 1903-A
(c) Aggregate homestead and non-homestead tax shares. The governing body of the tax district shall determine by annual resolution the percentage of the tax levy to be allocated to each class in the tax district as a whole by establishing an aggregate homestead tax share and an aggregate non-homestead tax share. The aggregate homestead tax share shall be no less than seventy-five percent and no more than one hundred percent of the aggregate tax district homestead proportion, subject to the following constraints: