Indiana Code Title 13. Environment § 13-30-1-12

(1) remit the petitioner or intervenor to the proceeding for amplification of the record in the proceeding;  and

(2) order the granting of intervention and the granting of review in the proceeding as provided in of   1 this chapter.

(1) intervention was available in the proceeding;  and

(2) the petitioner or intervenor seeking judicial adjudication under this chapter willfully and inexcusably refused intervention in the proceeding;