N.Y. Real Property Tax Law § 489-CCC
1. The members of the board shall have the following functions, powers and duties:
2.
(b) Not earlier than ten nor later than thirty days following the conclusion of the public hearing provided for in paragraph (a) of this subdivision, the board shall designate the boundaries of areas in which exemptions for commercial construction or reconstruction shall be granted as of right and areas from which such exemptions shall be excluded and shall also designate restricted commercial uses. Such designations shall be made upon the following determinations: