(a) The residential treatment facility shall maintain a register of each resident who is absent from the residential treatment facility for 24 hours beyond the normal census-taking hour. Such register shall include, at a minimum, the resident's name, the reason for the absence and the final disposition of the absence.

(b) The temporary hospitalization or leave of absence for a therapy day shall be documented in the case record. At a minimum, progress notes shall be written describing the reason for the temporary hospitalization or leave of absence for a therapy day; the duration; any significant events that occurred; and the effects, if any, on the resident's condition or course of treatment.

(c) The residential treatment facility shall document, in accordance with procedures prescribed by the Office of Mental Health all actions required to demonstrate compliance with the requirements of this Part, including telephone notification and correspondence with hospitals, requests for extensions and approvals of extensions. Such documentation shall be retained by the residential treatment facility.