Haw. Rev. Stat. § 431:4-305: Mutual vehicle insurer.

(a) When applying for a certificate of authority, a domestic mutual insurer formed to transact vehicle insurance must:

(1) Have applications from at least two hundred persons for insurance covering at least five hundred separate vehicles, for a maximum of retained liability not in excess of $50,000 for any one accident or other liability; and

(2) Have collected from each applicant the proper premium for insurance for one year according to its schedule of premium rates approved by the commissioner; and

(3) Have a surplus over all liabilities, as at completion of issuance of the insurance contracts so applied for, amounting to not less than $1,000,000.

(b) In lieu of the applications, premiums, and surplus, it is required to have a surplus amounting to not less than $1,500,000 over all liabilities.