N.Y. General Municipal Law § 209-j: Mutual aid programs in counties

§ 209-j. Mutual aid programs in counties. The board of supervisors in

any county may appropriate and expend such sums as it may deem necessary

and proper for the establishment and maintenance of a county mutual aid

plan in cases of fire and other emergencies in which the services of

firefighters would be used and may prescribe the method of auditing or

approving expenditures under any such appropriation. Expenses incurred

by any city, town, village or fire district participating in such mutual

aid plan shall be a lawful municipal or fire district charge to be paid

in the same manner as other like charges.