Indiana Code Title 6. Taxation § 6-3.1-34-12

Sec. 12. (a) A tax credit that a taxpayer may claim under this chapter shall be applied against taxes owed by the taxpayer in the following order:

(b) If the tax paid by the taxpayer under a tax provision listed in subsection (a) is a credit against the liability or a deduction in determining the tax base under another Indiana tax provision, the credit or deduction shall be computed without regard to the credit to which a taxpayer may claim under this chapter.