105-468.1. Certain building materials exempt from sales and use taxes.
The provisions of this Article shall not be applicable with respect to any tangible personal property or digital property purchased for the purpose of fulfilling a real property contract for a capital improvement entered into or awarded, or entered into or awarded pursuant to any bid made, before the effective date of the tax imposed by a taxing county when, absent the provisions of this section, such property would otherwise be subject to tax under the provisions of this Article.