(e) The custodial parent or parents or an adult custodial sibling of an adult child who is incapacitated by reason of an intellectual disability, may file, in lieu of a petition, a written request to be appointed guardian of his or her adult child or his or her adult sibling in order to continue performing custodial and other parental responsibilities or family responsibilities, or both responsibilities, for the child after the child has passed his or her minority. The court may waive any or all procedural requirements of the Uniform Guardianship Act, including notice and service, and appointments, and interviews. The adult child alleged to be incapacitated shall have had an examination by a physician or other qualified person and furnish a written report of the findings to the court. In lieu of a hearing, the probate court shall hold an informal hearing with the custodial parent or custodial parents or custodial adult sibling requesting the guardianship, the adult child for whom the guardianship is sought, and a guardian ad litem for the adult child chosen by the judge of probate.
Following the interview, the court may do any of the following:
(1) Issue an order appointing the custodial parent or custodial parents or custodial sibling as guardian of the adult child as in any other proceeding pursuant to this section.(2) Deny the request for appointment as guardian pursuant to the special proceedings allowed only for a custodial parent or custodial parents or custodial sibling.(3) Delay a determination on the request to gather additional information in compliance with one or more of the usual requirements for appointments, interviews, or examinations by physicians or other qualified persons.