Upon request by the department, an owner and operator must provide evidence of financial responsibility for corrective action and for operating, maintaining or closing tanks pursuant to this Part. Financial responsibility may be evidenced by one or a combination of insurance, guarantee, surety bond, letter of credit, qualification as a self-insurer or other evidence acceptable to the department.
N.Y. Comp. Codes R. & Regs. Tit. 6 §§ 598-1.15