WI SB478

Requires listing firms for residential properties (1-4 units) to share information with other licensees, respond to inquiries, show properties, and advertise on public internet platforms within one business day, unless the owner signs a disclosure and opt-out form

Prohibits real estate firms from accepting compensation from other firms for brokerage services on residential transactions (1-4 units), except for referral or finder's fees

Requires any seller agreement to pay compensation to a buyer's agent firm to be expressly stated in the executed offer to purchase and signed by both buyer and seller

Mandates licensees disclose when property advertising has been altered using technology or artificial intelligence to add, remove, or change elements that create a false impression

Takes effect January 1, 2027