Wyo. Stat. § 11-24-109: Record to be kept of estrays found in shipments in transit of cattle or horses.

All inspectors shall keep a record of all estrays found in any shipment of cattle or horses in transit from this state, and shall take a receipt for the estrays from the shipper, or in default of a receipt, shall take the estray from the shipment, giving the shipper a receipt for the estrays on behalf of the livestock board.