Note: The serial number can also be found using the following methods: Web Interface: system status and log system status. The serial number will start with an S in parentheses and letters umbers after the S. If you're completing a free over 75 licence application, just tick the box which says that you don't have a National Insurance number. The serial number can be found on a white sticker typically located on the PassPort device. If you have lost it may help you find it. Your National Insurance number is 9 digits long and starts with two letters, followed by six numbers and one letter e.g. Your National Insurance number can normally be found on a letter from the Department for Work and Pensions (DWP) or on your bank statement if your pension is paid into your bank account.
Where can I find my National Insurance number? What if I don't have one?
