Except for an Alabama Coastal Captive Insurance Company formed as a sponsored captive insurance company that does not assume any risk, the capital must be in the form of cash, cash equivalent, or an irrevocable letter of credit issued by a bank chartered by this state or a member bank of the Federal Reserve System with a branch office in this state or as approved by the commissioner.
Ala. Code § 27-31C-4 (1975)