New York Laws
Article 1 - The Militia of the State
9 - Power of Governor to Declare Martial Rule.

ยง 9. Power of governor to declare martial rule. Whenever any portion
of the organized militia is employed pursuant to section six of this
chapter, the governor, if in his judgment the maintenance of law and
order will thereby be promoted, may by proclamation declare the county
or city in which the troops are serving or any specified portion
thereof, to be under martial rule.