(a) The county clerk shall obtain an insurance policy or similar coverage from a governmental pool operating under Chapter 119 covering the clerk and each deputy clerk against liability incurred through errors and omissions in the performance of their official duties.
(b) The policy or other coverage document must be in an amount equal to the maximum amount of fees collected in any year during the term of office preceding the term for which the policy is to be obtained. However, the policy or other coverage document must be in an amount of at least $10,000 but is not required to exceed $500,000. If the policy or other coverage document provides coverage for other county officials, the policy or other coverage document must be in an amount of at least $1 million.

(c) The commissioners court may establish a contingency fund to provide the coverage required by this section if it is determined by the county clerk that insurance coverage is unavailable at a reasonable cost.