Wyo. Stat. § 11-11-108: Warehouse receipts generally.

All warehouse receipts issued for stored grain shall be in a form prescribed by the department and shall be obtainable only by the warehouseman from the department at cost. Each warehouse receipt issued must show the amount of any cash or the value of any merchandise the warehouseman has advanced on the grain represented by the receipt, but such notation shall not be construed as fixing the date of sale of the grain.