Ind. Code § 6-3.1-10-9

Sec. 9. To receive the credit provided by this chapter, a taxpayer must claim the credit on the taxpayer's annual state tax return or returns in the manner prescribed by the department of state revenue. The taxpayer shall submit to the department of state revenue the certification of the percentage credit by the Indiana economic development corporation and all information that the department of state revenue determines is necessary for the calculation of the credit provided by this chapter and for the determination of whether an investment cost is a qualified investment cost.