Wis. Stat. § 180.1101: Merger authorized.

(1) One or more domestic corporations may merge with or into one or more other constituent entities pursuant to ss. 180.1101, 180.11012, and 180.11031 to 180.1106 and a plan of merger if the merger is permitted under the governing law of each constituent entity and each constituent entity approves the plan of merger in the manner required by its governing law.

(2m) One or more other domestic or foreign entities may merge with or into a domestic corporation pursuant to ss. 180.1101, 180.11012, and 180.11031 to 180.1106 and a plan of merger if the merger is permitted under the governing law of each constituent entity and each constituent entity approves the plan of merger in the manner required by its governing law.