2009 California Insurance Code - Section 8030-8031 :: Article 3. Additional Memberships

8030.  Any county mutual fire insurer in this State may become a
member of such a reinsurer and entitled to all the rights and
privileges appertaining thereto.

8031.  County mutual fire insurers, upon becoming members of such
reinsurer, shall give it their written obligation binding themselves
and their successors to pay their pro rata share of the necessary
expenses and loss sustained by any member of the reinsurer during the
time for which their respective policies are written. They shall
also at the time of effecting the reinsurance pay such percentages
and such other charges as are required by law or by the rules and
by-laws of the reinsurer.