This identification number is unique to each individual, and is mandated by the US federal government. The card also contains a unique code that is unique to any American. There are a few key details that you should keep in mind if you decide to use an id card instead of a passport: 1. If you have an id card, you will not be able to use the passport elevator. Instead, you will need to go through the security checkpoint. 2. There are times when a vet needs to sign a disabled vet id card in order to get into a dispensary. Why? Well, imagine if you could just easily and quickly access customer data across your entire organization. Every now and then, a computer user may not be able to star because they do not have the correct id card.








