(a) A joint insurance arrangement shall establish a joint insurance fund. The fund consists of money
- (1) contributed by members of the joint insurance arrangement through budgetary appropriations or transfers from a self-insurance reserve;
- (2) contributed by officers and employees of members of the joint insurance arrangement under an employee benefit plan; and
- (3) collected by the joint insurance arrangement through subrogation of a claim paid from the fund to a member of the arrangement.