(a) The commission veterinarian shall store the retained part of a specimen at a site approved by the executive secretary for the period required by this section. The split specimen shall be stored in a manner that ensures the safety and integrity of the part.(b) If the result of the initial test on a specimen is negative, the commission veterinarian's designee may discard the retained part of the specimen on receipt of the negative result. If the result of the initial test on a specimen is positive, the commission veterinarian's designee may discard the split specimen of the specimen after all appeals are exhausted and the disposition of the matter is final.(c) The association at which a specimen is obtained shall pay all the costs of storage incurred under this section.