The officer who makes the inspection of a shipment which is described in Section 6521 may affix a warning tag or notice to the shipment and shall notify in writing the owner or bailee of the shipment to return the shipment to the point of shipment within the time limit which the officer shall specify in the notice which shall be 48 hours, unless a longer or shorter period is determined to be necessary to accomplish the purposes of this article. The owner or bailee shall, at his own expense, return the shipment under the direction and control of the commissioner. If the owner or bailee fails to return the shipment within the time which is specified, the commissioner shall destroy it.