You have to go to the consulate and they will help you. You need to bring Salvadoran document with photo
Salvadoran or Mexican? For Salvadorans it is DUI and for Mexicans it is consular registration.
YOU CAN GO TO THE SALVADOR CONSULATE AND GET THE DUI BUT TO GET THE DUI YOU HAVE TO HAVE IT YOUR BIRTH RECORD VIJENT TO REMOVE THE DUI AND WITH THE DUI YOU REMOVE THE DRIVERS LICENSE OK
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