Membership in a joint self-insurance program requires the execution of an interlocal agreement. Only members may participate in risk-sharing. Only members may participate in the self-insured retention layer, and only members may participate in the joint purchase of insurance or reinsurance. Further, each member shall agree to the following:

(1) Each member shall pay assessments and reassessments when required by the governing body of the program.

(2) Each member shall obtain approval to join the program from the governing body of the respective member. The approval shall be by resolution or ordinance of the governing body as appropriate for the entity type.

(3) Each member shall become a signatory to the interlocal agreement and subsequent amendments to the interlocal agreement of the joint self-insurance program.