(a) One performing taxable labor for another person who holds a retailer's permit shall not be required to collect and remit sales tax on the labor when the labor is to be charged to, and the sales tax collected from, the ultimate consumer.
(b) The intent of this section is that labor, under the aforementioned circumstance, be given wholesale status, and that the sales tax on labor be collected only one (1) time by the retailer who collects it from his or her customer.