Indiana Code Title 36. Local Government § 36-7-13-3.2

(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

(B) the legislative body of a county or municipality adopts an ordinance designating a district under section 10.5 of this chapter;

(A) the aggregate amount of state and local income taxes paid by employees employed in the territory comprising a district with respect to wages and salary earned for work in the district during the month in which an advisory commission on industrial development adopted a resolution designating the district; multiplied by

(B) twelve (12);

(A) the aggregate amount of state and local income taxes paid by employees employed in the territory added to the district with respect to wages and salary earned for work in the modified district 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

(B) twelve (12);