No insurer shall assume any obligation to any person other than a policyholder or other companies under common control to use or adhere to certain rates or rules, and no other person shall impose any penalty or other adverse consequence for failure of an insurer to adhere to certain rates or rules.
Wis. Stat. § 625.33
Binding agreements by insurers
Official source: Wisconsin State Legislature. Reproduced from public-domain Wisconsin statutes; confirm against the official source for the current text. Not legal advice.