The passport card is a safety card used for most oilfield and refinery work done in the Bakersfield California area. There are several local businesses in Bfield that offer the class you need to sit through to get the card. Was a one day class when I did it, about $100. Its similar to the BATT card for N. California, Bay Area Safety Card for Houston, CSTOP for work in th N.W. basically just another way to create cottage industries in safety and more hoops for us to jump through.