Indiana Code Title 31. Family Law and Juvenile Law § 31-11-10-1

Sec. 1. (a) This section applies to a marriage that is voidable under IC 31-11-9-2 on the ground that a party to the marriage was incapable because of age or mental incompetency of contracting the marriage.

(b) The incapable party described in subsection (a) may file an action to annul the marriage in a court that has jurisdiction over the action under section 3 of this chapter.

(c) If a guardian of an incapacitated person is filing a petition for annulment of a marriage on behalf of the incapacitated person, the petition for annulment must set forth the name and address of the guardian.

(d) If a guardian of an incapacitated person files a petition for annulment of a marriage on behalf of the incapacitated person, the guardian shall file with the petition a copy of the court order granting authority to petition for annulment of marriage described in IC 29-3-9-12.2.