AGO 1949 NO. 179 >
An official certificate of brand inspection is required on all cattle, horses, mules and asses, listing such livestock by kind, color, brand or tattoo marks, for removal from the State of Washington. Public carriers shall require such certificates before accepting any consignment of such animals for delivery outside the state. Transportation of livestock on the public highways of the state must be accompanied by an official certificate of brand inspection or an original certificate of permit.