(1) "Class of property" means property classified for property tax purposes as provided pursuant to Section 1, Article X of the Constitution of this State and as further permitted in § 12-43-220. Property subject to a fee in lieu of property taxes, as defined in Chapter 12 of Title 4 is not included in this definition of a class of property. All classes of property are provided a credit against property tax liability as provided in this article.

(2) "Political subdivision" means a county, or a school district located wholly or partly within a county area, or both the county and a school district so located.

(3) "Property tax" means all property tax millage imposed for operating purposes by a political subdivision.

(4) "Property tax liability" means the amount of tax due as a result of the imposition of property tax.

(5) "RFA" means the Revenue and Fiscal Affairs Office.