(a) A county or other political subdivision of this state that is authorized to procure a contract insuring the political subdivision's officials, employees, and retirees or any class of the political subdivision's officials, employees, and retirees under a policy of group insurance that covers one or more risks may pay from the local funds of the political subdivision all or any portion of the premiums for the policy. The political subdivision may also pay all or any portion of the premiums on group health, hospital, surgical, or medical expense insurance for dependents of the political subdivision's officials, employees, and retirees.
(b) If authorized by the official, employee, or retiree in writing to make the deduction, the county or other political subdivision may deduct from the person's salary an amount equal to any required contribution by the person to the premiums for the insurance issued under Section 177.001 to the political subdivision as the policyholder.