Test-and-Repair Stations

Test-and-repair stations are licensed by the state to provide Smog Check tests and repairs to most vehicles. Under current law, test-and-repair stations are prohibited from certifying repaired Gross Polluters or vehicles that have been directed to Test-Only stations for inspection. Only Test-Only stations and Gold Shield stations are able to certify repaired Gross Polluters.

Test-Only Stations

Test-Only stations are licensed by the state to perform only tests on vehicles. They are prohibited from performing any repair services. Gross Polluters can be certified at these stations. In addition, potentially high-polluting vehicles in the state's smoggiest regions are directed to these stations for their initial Smog Check inspection, as specified on the Department of Motor Vehicles registration renewal form.

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