630.150.  Disclosure of absence to be made, when, to whom. — 1.  Except as provided in subsection 2 of this section, when a patient, resident or client is absent due to his unauthorized disappearance from a residential facility or day program, or his whereabouts are unknown and disclosure is necessary for the protection of the patient, resident or others, and the provisions of section 630.140 would otherwise be applicable, notice of the disappearance, along with relevant information, may be made to relatives, governmental law enforcement agencies and other persons if necessary for the protection of the patient, resident or other parties, as designated by the head of the facility or program or physician in charge of the patient, resident or client.

  2.  If the patient, resident or client was committed to the custody of the department of mental health pursuant to chapter 552, and that patient, resident or client is absent due to an unauthorized disappearance from a residential facility or day program, or such person's whereabouts are unknown, the head of the mental health facility or a designee shall immediately give notice of the disappearance, along with relevant information, to the prosecutor and sheriff of the county wherein the committed person is detained, the prosecutor and sheriff of the county wherein the committed person was tried and acquitted, all known surviving victims as defined in chapter 595, any other agencies or persons designated by the head of the facility as necessary for the protection of the patient, resident or other parties.