(a) The comptroller shall:
(1) purchase goods or services using the reverse auction procedure whenever:
(A) the procedure provides the best value to the state; or
(B) all purchasing methods provide equal value to the state;
(2) offer historically underutilized businesses assistance and training relating to the reverse auction procedure; and
(3) advise historically underutilized businesses on contracts available using the reverse auction procedure.
(b) The comptroller shall set a goal of purchasing at least 20 percent of the dollar value of goods or services purchased by the comptroller using the reverse auction procedure.