For those properties where the DWP have not been able to match electors' details against their records, you will be sent a form to either confirm the information or advise us of any changes. It is important that you respond to this form to avoid further reminders being sent to you. The communication you receive will explain the different ways to respond which are: Changes to the information stored 1. Please visit the household update service website. Household update service 2. Enter your unique two-part security code as shown on the form you have been sent 3. Update or confirm your household information and submit. No changes to the information stored Call 0800 197 9871 and when prompted enter part one and part two of your security code, or text NOCHANGE followed by your security code to 80212 (if nobody is eligible to vote include a reason after your security code e.g. empty, business, second home, none, other). It is quicker and cheaper if you respond to the form electronically. You'll need the security codes (printed on the front page of your form) if you respond online or by phone. If you are not able to use any of the above options, you can phone us on 01730 234350 or return the form to us by post . Invitations to register Where names are added of eligible individuals not currently registered to vote, we will send them each an invitation to register form. Alternatively, they can register to vote online, it only takes five minutes.