All licenses issued under ORS 571.005 to 571.230 and 571.991 shall:
(1) Include the date of issue.
(2) Expire on June 30, next following the date of issue, unless sooner revoked by the State Department of Agriculture.
(3) Be in the form of a certificate.
(4) Be numbered serially under the direction of the department.
(5) Be posted in a conspicuous place on the premises of the licensee and a copy at each location where the licensee is doing business, where they can be easily seen by the general public. A duplicate copy of the license shall be issued by the department for each sales location of the licensee.