Every contract or duty within chs. 401 to 411 imposes an obligation of good faith in its performance and enforcement.
Wis. Stat. § 401.304
This section does not support an independent cause of action for failure to act in good faith under a contract. Hauer v. Union State Bank of Wautoma, 192 Wis. 2d 576, 532 N.W.2d 456 (Ct. App. 1995). Good faith under the code. Eisenberg, 54 MLR 1.