In this article, unless the context otherwise requires:

1. "Limited managed audit agreement" means a managed audit agreement that is limited in scope to certain periods, activities, lines of business, geographic areas or transactions, including tax on the receipts of certain sales, the value of certain assets, the value of certain items or services and other categories specified in the agreement.

2. "Managed audit" means a review and analysis by a taxpayer or the taxpayer’s authorized representative of the invoices, checks, accounting records or other documents and information to determine a taxpayer’s liability under chapters 3, 5 or 6 of this title or Title 43, Chapter 11.

3. "Managed audit agreement" means a written agreement between the director and taxpayer that consists of an audit plan that requires the taxpayer to review selected revenue, expense and fact records to determine the proper filing method and to calculate the taxpayer’s liability under chapter 3, 5 or 6 of this title or Title 43, Chapter 11. Managed audit agreement includes a limited managed audit agreement.

4. "Taxpayer’s authorized representative" means a representative who is selected by the taxpayer to conduct the managed audit and who is approved by the director.