The buyer on notifying the seller of the buyer’s intention to do so may deduct all or any part of the damages resulting from any breach of the contract from any part of the price still due under the same contract.
Wis. Stat. § 402.717
Deduction of damages from the price
1991 a. 316.
Official source: Wisconsin State Legislature. Reproduced from public-domain Wisconsin statutes; confirm against the official source for the current text. Not legal advice.