Sec. 13. A person is a retail merchant making a retail transaction when a person sells:
(1) a prepaid calling service or prepaid wireless calling service at retail;
(2) a prepaid calling service authorization number or prepaid wireless calling service authorization number at retail;
(3) the reauthorization of a prepaid calling service or prepaid wireless calling service; or
(4) the reauthorization of a prepaid calling service authorization number or prepaid wireless calling service authorization number.