Every such group self-insurer shall, on an annual basis, or as often as the commissioner deems it necessary, furnish to the commissioner:
a. A financial statement of the group's assets and liabilities, the claims paid during the preceding 12 months, current reserves, incurred losses, and any other information that the commissioner may require; and
b. A description of the service organizations maintained by the employer or group for the prevention of injuries and claims administration services.