Wyo. Stat. § 34-1-130: County clerk to discharge mortgage or deed of trust on record when certificate of release recorded.

Any mortgage or deed of trust shall be discharged upon the record thereof, by the county clerk in whose custody it shall be, or in whose office it is recorded, when there shall be recorded in his office a certificate or deed of release executed by the mortgagee, trustee or beneficiary, his assignee or legally authorized representative, or by a title agent or title insurer acting in accordance with the provisions of W.S. 34-1-145 through 34-1-150, acknowledged or proven and certified as by law prescribed to entitle conveyances to be recorded, specifying that such mortgage or deed of trust has been paid or otherwise satisfied or discharged, and the county clerk shall make a reference to such release in the record.