Except as provided in section 10.7(c) of this chapter, as used in this chapter, "gross retail base period amount" means:

1. (1) the aggregate amount of state gross retail and use taxes remitted under IC 6-2.5 by the businesses operating in the territory comprising a district during the full state fiscal year that precedes the date on which:

   1. (A) an advisory commission on industrial development adopted a resolution designating the district, in the case of a district that is not described in section 12(c) of this chapter; or
   2. (B) the legislative body of a county or municipality adopts an ordinance designating a district under section 10.5 of this chapter;

2. (2) an amount equal to:

   1. (A) the aggregate amount of state gross retail and use taxes remitted:

      1. (i) under IC 6-2.5 by the businesses operating in the territory comprising a district; and
      2. (ii) during the month in which an advisory commission on industrial development adopted a resolution designating the district; multiplied by

   2. (B) twelve (12);

      in the case of a district that is described in section 12(c) of this chapter; or

3. (3) an amount equal to the amount determined under subdivision

4. (1) or (2); plus:

   1. (A) the aggregate amount of state gross retail and use taxes remitted:

      1. (i) under IC 6-2.5 by the businesses operating in the territory added to the district; and
      2. (ii) during the month in which a petition to modify the district's boundaries is approved by the budget agency under section 12.5 of this chapter; multiplied by

   2. (B) twelve (12);

      in the case of a district modified under section 12.5 of this chapter.

As added by P.L.125-1998, SEC.5. Amended by P.L.138-1999, SEC.1; P.L.174-2001, SEC.2; P.L.178-2002, SEC.116; P.L.81-2004, SEC.31 and P.L.90-2004, SEC.4.