Wis. Stat. § 428.101: Applicability.

This subchapter applies to:

(1) Loans made on or after April 6, 1980 and prior to November 1, 1981, by a creditor other than a savings and loan association to a customer and which are secured by a first lien real estate mortgage or equivalent security interest if the amount financed is $25,000 or less.

(2) Loans made prior to April 6, 1980, by a creditor other than a savings and loan association and loans made before November 1, 1981, by a savings and loan association to a customer and which are secured by a first lien real estate mortgage or equivalent security interest if the annual percentage rate does not exceed 12 percent per year and the amount financed is $25,000 or less.

(3) Loans made on or after November 1, 1981, by a creditor to a customer and which are secured by a first lien real estate mortgage or equivalent security interest if the amount financed is $25,000 or less.