Wis. Admin. Code § ATCP 110.04
(1) A seller shall give a buyer a copy of every written warranty made with respect to labor, services, products, or materials furnished in connection with a home improvement. If a seller makes any oral warranty, the seller shall document that warranty in writing and give a copy to the buyer. The seller shall provide all warranty documents to the buyer at the time the buyer enters into a home improvement contract, except that a manufacturer’s product warranty may be provided at any of the following times:
(2) If a seller warrants any labor, service, product, or material furnished in connection with a home improvement, the warranty shall be clear and specific and shall clearly specify all of the following:
History: Cr. Register, May, 1974, No. 221, eff. 6-1-74; r. and recr. Register, September, 1993, No. 453, eff. 10-1-93; CR 13-066: renum. (1) to (1) (intro.), cr. (a) to (c) Register March 2014 No. 699, eff. 6-1-14.