New York Laws
Article 16 - Explosives
464-A - Local Laws.

ยง 464-a. Local laws. Except with regard to cities having a population
of over one million, the provisions of this article and the rules
adopted pursuant thereto shall be the minimum standard required and
shall supersede any special law or local ordinance inconsistent
therewith, and no local ordinance inconsistent therewith shall be
adopted, but nothing herein contained shall prevent the enactment by
local law or ordinance of additional requirements and restrictions.