The Florida Department of Highway Safety and Motor Vehicles (FLHSMV) has updated the rules for driver licenses and ID cards. Now, each license and ID card will have a unique number with at least four randomly generated digits. This means if you're renewing or replacing your license or ID, either in person or online, you'll get a new number. First-time applicants will also receive a license or ID with a new number that follows these rules. Once you have your new number, it will stay the same unless you change your last name.