A CSU may provide crisis stabilization services to an individual who was involuntarily admitted in accordance with §306.57(a) and (f) of this division (relating to Involuntary Admission Criteria and Intake Process) if:(1) the individual no longer meets the involuntary treatment criteria described in §306.79 of this subchapter (relating to Discharge of an Involuntarily-Admitted Individual);(2) the individual submits a written request to the CSU treating physician for voluntary crisis stabilization services, as described in §306.55 of this division (relating to Voluntary Admission Criteria and Intake Process); and(3) the individual's treating physician examines the individual and, based on that examination, writes an order for voluntary crisis stabilization services that meets the requirements of §306.51 of this division (relating to Admission Criteria).