Indiana Code Title 36. Local Government § 36-7-32-21

Sec. 21. (a) Before the first business day in October of each year, the department of state revenue shall calculate the income tax incremental amount and the gross retail incremental amount for the preceding state fiscal year for each certified technology park designated under this chapter.

(b) Taxpayers operating in the certified technology park shall report annually to the department of state revenue and to the office, in the manner and in the form prescribed by the department, information that the department determines necessary to calculate the net increment.

(c) A taxpayer operating in the certified technology park that files a consolidated tax return with the department also shall file annually:

(d) If a taxpayer fails to report the information required by this section or file an informational return required by this section, the department shall use the best information available in calculating the income tax incremental amount and the gross retail incremental amount.