Sec. 11. (a) After the hearing, the department of local government finance shall approve, disapprove, or modify the proposal and certify the department's action to the auditor of the county.
(b) A:
(1) taxpayer who signed a petition filed under section 8 of this chapter; or
(2) county against which a petition under section 8 of this chapter is filed;
may petition for judicial review of the final determination of the department of local government finance under subsection (a). The petition must be filed in the tax court not more than forty-five (45) days after the department's action under subsection (a).