(1) The Oregon Health and Science University, in the discretion of the person designated by the authorities in control thereof, may pay:
(a) Actual, reasonable, necessary expenses of returning the patient to the home of the patient.
(b) The attendant the actual, reasonable and necessary expenses incurred in accompanying a patient to the home of the patient and no more than $3 per day for the time thus necessarily employed, unless the attendant is a parent or relative or an officer or employee receiving other compensation.
(2) The per diem and expenses shall be itemized and verified, and presented to and allowed by the board of county commissioners of the county from which the patient was committed, as provided in ORS 444.170.