Wis. Stat. § 181.0614: Creditor’s action against member.

(1) Final judgment required. A proceeding may not be brought by a creditor to reach the liability, if any, of a member under s. 181.0613 to the corporation unless final judgment has been rendered in favor of the creditor against the corporation.

(2) Intervention and joinder. A creditor of the corporation, with or without reducing the creditor’s claim to judgment, may intervene in a creditor’s proceeding brought under sub. (1) to reach and apply unpaid amounts due the corporation. Any member who owes an amount to the corporation may be joined in the proceeding.