IF THE DMV HAS REQUESTED A "STAR SMOG CHECK", YOU CAN VISIT ANY "TEST ONLY" or "GOLD SHIELD" smog station until Dec 31, 2012.
If the DMV has requested your vehicle be smog tested at a STAR certified smog check center, and you are obtaining the smog inspection prior to January 1st, 2013, you must have your vehicle smog checked at a Test Only or Gold Shield smog station only.
After January 1st, 2013 you'll be able, and required, to locate and have your vehicle smog inspected at a STAR certified smog test or smog test & repair station.