Utah Code § 26B-6-604: Commitment -- Individual who is under 18 years old.

(1) The director of the division, or the director's designee, may commit an individual under 18 years old who has an intellectual disability or symptoms of an intellectual disability, to the division for observation, diagnosis, care, and treatment if that commitment is based on:

(a) an emergency commitment in accordance with Section 26B-6-607; or

(b) involuntary commitment in accordance with Section 26B-6-608.

(2) A proceeding for involuntary commitment under Subsection (1)(a) may be commenced by filing a written petition with the juvenile court under Section 26B-6-608.

(3)

(a) A juvenile court has jurisdiction over the proceeding under Subsection (2) as described in Subsection 78A-6-103(2)(a)(vi).

(b) A juvenile court shall proceed with the written petition in the same manner and with the same authority as the district court.

(4) If an individual who is under 18 years old is committed to the custody of the Utah State Developmental Center by the juvenile court, the director or the director's designee shall give the juvenile court written notice of the intention to release the individual not fewer than five days before the day on which the individual is released.