Wis. Stat. § 945.06
When any public utility, common carrier, contract carrier, or railroad, subject to the jurisdiction of the public service commission, office of the commissioner of railroads or department of transportation of this state, is notified in writing by a federal, state or local law enforcement agency, acting within its jurisdiction, that any facility furnished by it is being used or will be used for the purpose of transmitting or receiving gambling information in violation of the laws of this state it shall discontinue or refuse the leasing, furnishing or maintaining of such facility, after reasonable notice to the subscriber, but no damages, penalty or forfeiture, civil or criminal, shall be found against any such public utility, common carrier, contract carrier or railroad, for any act done in compliance with any notice received from a law enforcement agency under this section. Nothing in this section shall be deemed to prejudice the right of any person affected thereby to secure an appropriate determination as otherwise provided by law in any court or tribunal or agency, that such facility should not be discontinued or removed, or should be restored.
Wis. Stat. § 945.06