Wis. Stat. § 14.12: Execution of releases and satisfactions.

Unless otherwise provided by law, the governor and attorney general may release or satisfy any lien or other obligation in favor of the state, upon payment by the obligor of the full amount due thereon or of the amount provided in any compromise settlement duly entered into and approved as provided by law. When such release or satisfaction is required to be under seal, the secretary of state shall affix the great seal of the state and authenticate the signatures of said officers.