Indiana Code Title 33. Courts and Court Officers § 33-25-3-7

Sec. 7.  (a) In every case reversed by a division of the court of appeals:

(b) In all cases, the opinion and judgment shall be certified to the lower court thirty (30) days after the date allowed by law for the filing of a petition for a rehearing, unless:

If a case is transferred or appealed to the supreme court, or a rehearing is granted, the judgment of the division of the court of appeals is vacated.  If a rehearing is denied, the opinion and judgment shall, thirty (30) days after the date of the ruling, be certified to the lower court, unless the case is transferred or appealed to the supreme court.

(c) If the losing party files a waiver of the party's right to file a petition for a rehearing, the opinion shall be immediately certified to the lower court.