Council Tax change in circumstances If you pay Council Tax or receive benefits you need to tell us if your circumstances change. These changes can include: moving house changing your name someone moving in or out If you receive benefits, you will also need to report any changes to the benefits team. It is important you tell us about any changes within 21 days otherwise you may be fined £70. Tell us if you change your name Tell us if you change your address Tell us if someone in your household dies Tell us if anyone moves in or out of your household Are you a landlord or agent? Other changes and effects on exemptions and discounts