Indiana Code Title 6. Taxation § 6-1.1-34-6

Sec. 6.  (a) After the department of local government finance calculates a new assessment ratio for a school corporation and before publishing the new ratio, the department shall send a notice of the new assessment ratio to the county auditor, the county assessor, and the governing body of the school corporation.  The department of local government finance shall send these notices before March 2 of each year in which the department calculates a new assessment ratio for the school corporation.

(b) Within thirty (30) days after notification of a new assessment ratio, the county auditor, the county assessor, or the governing body of the school corporation may:

(c) Before April 15 of each year in which the department of local government finance calculates a new assessment ratio for the school corporation, the department shall publish the new assessment ratio.