Here are a few considerations that may be relevant:
1. Vehicle Registration: In most jurisdictions, it is required to register a vehicle with the local motor vehicle department or similar authority. This typically involves providing information about the vehicle, including its make, model, year, VIN number, and ownership details. If the vehicle in question is unregistered, it may be in violation of the law.
2. Parking Regulations: Many businesses, including car repair shops, may have specific parking regulations on their premises. These regulations may specify the type of vehicles that are permitted to park, the duration of parking, and any fees associated with parking. Failure to comply with these regulations could result in fines or other penalties.
3. Sale of Vehicles: If the business in question is engaged in the sale of vehicles, there may be additional regulations or permits required to display vehicles for sale. These regulations may vary depending on the jurisdiction and may include requirements related to the location, condition, and signage associated with vehicles for sale.
To determine the specific laws and regulations that apply in your jurisdiction, it is recommended to consult with the relevant local authorities or motor vehicle department. They will be able to provide guidance on the legality of parking an unregistered vehicle at a business that repairs cars with a for sale sign.