According to Gemini AI, "Notable States with Notice/Purchase Tracking: Rhode Island & Vermont: Both feature statutory frameworks where an intent-to-sell notice triggers a look-back or matching period for resident associations. Oregon & Washington: Both actively enforce laws requiring formal notices to residents and state agencies before a park can be sold or closed for a change of use, granting residents exclusive timelines to match or negotiate purchases. Operational Impact Note: Missing a mandatory statutory notice window or failing to send it via the exact legally required method (e.g., certified mail to every individual pad/unit) can completely void a third-party purchase contract or expose the seller to heavy civil penalties depending on the state. "