Ind. Code § 36-7.5-4.5-9
(a) As used in this chapter, "local income tax base period amount" means the total amount of local income tax ( IC 6-3.6 ) paid by:
(2) residents living within the district;
for the calendar year in which the district was established under this chapter as determined by the department.
As added by P.L.248-2017, SEC.10. Amended by P.L.236-2023, SEC.190.