A farm labor contractor may not use, or cause to be used, a vehicle to transport migrant agricultural workers in this State unless the farm labor contractor has purchased an insurance policy in amounts not less than the following: The insurance policy shall be obtained from a company authorized to do business as an insurance company in this State. A certificate of insurance in the required amounts shall be filed with the Commissioner before the issuance of a license. The insurance company which has issued the insurance policy shall notify the Commissioner of the cancellation of the policy at least 30 days before the cancellation.