N.Y. Veh. & Traf. Law § 316
The commissioner, in his discretion, may upon the application of a person having registered in his name in this state more than twenty-five motor vehicles, issue a certificate of self-insurance when he is reasonably satisfied that such person is possessed and will continue to be possessed of financial ability to respond to judgments obtained against such person, arising out of the ownership, maintenance, use or operation of any such person's motor vehicles. Upon due notice and hearing, the commissioner may, in his discretion and upon reasonable grounds, cancel a certificate of self-insurance.
As a condition to the issuance of a certificate of self-insurance, the registrant shall pay annually in addition to any other fee prescribed by this chapter, a fee of one dollar and fifty cents for each motor vehicle registered in his name and the aggregate amount of such fees shall be applied in reduction of the assessment levied pursuant to section three hundred seventeen.
As a further condition to the issuance of a certificate of self-insurance, the registrant shall pay annually in addition to any other fee prescribed by this chapter, an amount per vehicle to be determined by the Motor Vehicle Accident Indemnification Corporation pursuant to section five thousand two hundred seven of the insurance law for each motor vehicle registered in his name and the aggregate amount of such fees shall be transmitted by the commissioner to the Motor Vehicle Accident Indemnification Corporation continued pursuant to section five thousand two hundred three of the insurance law to be applied in reduction of assessments levied by said corporation pursuant to section five thousand two hundred seven of the insurance law.
Notwithstanding the provisions of any other section, for the purposes of this section, the term "motor vehicle" shall include "snowmobiles" as defined by subdivision six of § 8-0105 of the conservation law.
N.Y. Veh. and Traf. Law § 316