Wisconsin Statutes Consumer Transactions (Ch. 421 to 429) § 427.104. Prohibited practices

(a) Use or threaten force or violence to cause physical harm to the customer or the customer's dependents or property;

(b) Threaten criminal prosecution;

(c) Disclose or threaten to disclose information adversely affecting the customer's reputation for credit worthiness with knowledge or reason to know that the information is false;

(d) Initiate or threaten to initiate communication with the customer's employer prior to obtaining final judgment against the customer, except as permitted by statute including specifically s. 422.404, but this paragraph does not prohibit a debt collector from communicating with the customer's employer solely to verify employment status or earnings or where an employer has an established debt counseling service or procedure;

(e) Disclose or threaten to disclose to a person other than the customer or the customer's spouse information affecting the customer's reputation, whether or not for credit worthiness, with knowledge or reason to know that the other person does not have a legitimate business need for the information, but this paragraph does not prohibit the disclosure to another person of information permitted to be disclosed to that person by statute;

(f) Disclose or threaten to disclose information concerning the existence of a debt known to be reasonably disputed by the customer without disclosing the fact that the customer disputes the debt;

(g) Communicate with the customer or a person related to the customer with such frequency or at such unusual hours or in such a manner as can reasonably be expected to threaten or harass the customer;

(h) Engage in other conduct which can reasonably be expected to threaten or harass the customer or a person related to the customer;

(i) Use obscene or threatening language in communicating with the customer or a person related to the customer;

(j) Claim, or attempt or threaten to enforce a right with knowledge or reason to know that the right does not exist;

(k) Use a communication which simulates legal or judicial process or which gives the appearance of being authorized, issued or approved by a government, governmental agency or attorney-at-law when it is not;

(L) Threaten action against the customer unless like action is taken in regular course or is intended with respect to the particular debt; or

(m) Engage in conduct in violation of a rule adopted by the administrator after like conduct has been restrained or enjoined by a court in a civil action by the administrator against any person pursuant to the provisions on injunctions against false, misleading, deceptive or unconscionable agreements or conduct (ss. 426.109 and 426.110).