Solar companies and setters calling homeowners in Wisconsin work under the federal telemarketing rules plus Wisconsin's own. Here is what each one means for a solar appointment floor, with the official source for every rule.
From official sources, checked September 26, 2026. General information, not legal advice.
Wisconsin requires some telephone sellers or telemarketers to register or be licensed before calling there. Register annually with DATCP; registration year ends November 30. Check the exemptions before your floor dials Wisconsin.
Wis. Stat. 100.52(3), (4)(b)1.; Wis. Admin. Code ATCP 127.81Wisconsin sets its own window: 8 a.m. to 9 p.m., unless the consumer consents. It covers seller solicitations to consumers; prior consent allows other times. Set the dialer to the narrower of the state and federal windows.
Wis. Admin. Code ATCP 127.16(3)Wisconsin relies on the National Do Not Call Registry. State registry is the Wisconsin area code part of national registry.
Wis. Stat. 100.52(1)(fm), (4)(a)2.Wisconsin has its own law on automated or recorded sales calls. Prerecorded sales messages need consent; rule requires signed written agreement. It can be stricter than the federal rules.
Wis. Stat. 100.52(4)(a)1.; Wis. Admin. Code ATCP 127.83(2)(b)Wisconsin allows recording with one party's consent. A party, or one party's prior consent, may intercept.
Wis. Stat. 968.31(2)(c)Wisconsin requires telephone solicitors to register with its consumer protection department, bars unsolicited sales calls to Wisconsin numbers on the national registry, limits consumer solicitations to 8 a.m. to 9 p.m. without consent, and requires consent for prerecorded sales messages.
Federal rules and Wisconsin's own rules both apply: the National Do Not Call Registry, the calling window, consent rules for automated calls and texts, and any Wisconsin registration requirement. The Wisconsin rules page lists each one with its source. General information, not legal advice.
Wisconsin: 8 a.m. to 9 p.m., unless the consumer consents. The federal window is 8 a.m. to 9 p.m. at the homeowner's location; use the narrower one.
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