The card is also required for traveling and for the purposes of stamps and other identification documents. When you apply for welfare, you'll likely be asked for your social security number and driver's license. The most common reasons are to prove your driver's license is current and valid, to hold a driver's license in a different state, or to get a new driver's license. The card is also good for parking in any public lot or lot for a car that is retired or decommissioned in the military. They are very convenient because you can simply hold the card up to the reader and it will automatically pull up the card information. Another type of card acceptanceor is a magnetic card. These cards have a strong magnetism that makes them work well with most card machines.








