I knew about it for Soarin', but didn't know it was standard for ALL rides. A few years back, our littlest one couldn't ride Soarin', and the CM gave her a special card with the words "Born to Soar!" printed on it, with the date issued. They told her that when she was big enough, to bring it back and the entire family could use it like a fast pass. So we stuck it on the fridge. I can't remember if it was the next year, or two years later, but we took it with us, and presented it at Soarin', and the CMs were so excited because they exclaimed that they never actually got those cards back! Most people lost them or kept them as souvenirs.