(a) The criminal district attorney of Caldwell County must be at least 25 years old and must have been a practicing attorney in this state for at least five years.
(b) The criminal district attorney shall attend each term and session of the district courts in Caldwell County and each session and term of the inferior courts of the county held for the transaction of criminal business and shall exclusively represent the state in all criminal matters before those courts.

(c) The criminal district attorney shall perform the duties conferred by law on the county and district attorneys in the various counties and districts.
(d) The criminal district attorney shall collect the fees, commissions, and perquisites that are provided by law for similar services rendered by a district or county attorney.
(e) The Commissioners Court of Caldwell County may supplement the salary of the criminal district attorney paid by the state.