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Ratings rebuked
Here are examples of states where automakers' use of sales-effectiveness ratings are being overturned by courts, legislatures and agencies.
Court or regulatory agency rulings: New York, California, Ohio
Legislatures: Maryland, Florida, California, Ohio, Montana, Illinois
Court or regulatory agency rulings: New York, California, Ohio
Legislatures: Maryland, Florida, California, Ohio, Montana, Illinois

A year after a New York dealership won a court battle over General Motors' use of generic sales-effectiveness ratings, the ruling's impact has spread across the country. Courts, state agencies and state legislatures have repeatedly decided automakers can't evaluate a dealership's performance without taking local factors into account.