Chapter 6-26 State Assigned License Number Project "S" License Number The RMV requires your SSN to confirm your identity and to maintain your license and driving records. The SSN cannot be displayed on your driver's license, vehicle registration, or state issued ID card due to the Intelligence Reform and Terrorism Prevention Act of 2004). The RMV License system automatically assigned a nine digit computer generated number beginning with an "S" as a license/ID number. 12/05 6:101