As used in this chapter:

1. (1) An "economic impact zone" is a county or municipality, any portion of which is located within fifty miles of the boundaries of an applicable federal military installation or an applicable federal facility, and any area not otherwise included as part of the economic impact zone if the State Budget and Control Board determines the area to be adversely impacted by the closing, realignment, or downsizing of an applicable federal military installation or an applicable federal facility.

2. (2) An "applicable federal military installation" is one which is closed or realigned under:

   1. (a) the Defense Base Closure and Realignment Act of 1990;
   2. (b) Title II of the Defense Authorization Amendments and Base Closure and Realignment Act; or
   3. (c) Section 2687 of Title 10, United States Code.

3. (3) An "applicable federal facility" is one which is:

   1. (a) a federal facility that has reduced its permanent employment by three thousand or more jobs after December 31, 1990;
   2. (b) Reserved.
4. (4) "Internal Revenue Code" has the meaning provided in Section 12-6-40(A).