Take a look at DMV.org, "The Unofficial Site of the DMV," at http://www.dmv.org/smog-check.php to determine if your state has smog check requirements.
If your vehicle is diesel, the smog check is required for only those vehicles manufactured from 1996 and newer.
Understand why your vehicle needs to undergo a smog check.
Check out California state resources to determine if there are smog check requirements for your vehicle.
If you are transferring a vehicle to a state that has a smog check requirement or your vehicle is being registered for the first time in a state with smog check requirements, you will need to not only bring your vehicle and your payment, but all necessary registration information as well.
Your body works like a car, so occasionally you'll need to "service" it just like a car gets its smog check, oil change, etc. Enhance your beauty.
Drivers whose vehicle fails a smog check are entitled to have their car scrapped and are paid $1,000 in return.
Mr. Jay pointed out that the Bay Area was the only urban center in the state where car owners were not subjected to a stringent smog check, but instead needed only a cheaper, less rigorous version.
