Period of continuation of guardianship or conservatorship--Application for new guardian or conservator, restoration to parents or discharge of guardian or conservator

Except as provided in § 26-11A-21 , guardianship or conservatorship of a child under this chapter or chapter 26-8A , 26-8B , or 26-8C shall continue until the court orders otherwise, but not after the child has attained the age of majority except as stated in §