(a) As part of a cooperative program, the commission or its representative may examine, test, and retest any cattle in this state as necessary to maintain an area of this state as a tuberculosis modified accredited advanced area or to establish or maintain each area of this state as a tuberculosis free area under the uniform methods and rules of the United States Department of Agriculture and the rules of the commission.
(b) The commission or its representative may test or retest all or part of a herd of cattle at intervals considered necessary or advisable by the commission to control and eliminate tuberculosis in animals.