Wyo. Stat. Ann. § 34-1-147

A title insurer or title agent may not record a reconveyance of trust deed or release of mortgage if, within thirty (30) days from the day on which the title insurer or title agent delivered or mailed the notice of intent to release or reconvey in accordance with W.S. 34-1-146(c) and (d), the beneficiary, mortgagee or servicer sends a notice by certified mail that the obligation secured by the trust deed or mortgage has not been paid in full or objects to the release of the mortgage or reconveyance of the trust deed under W.S. 34-1-146(e).