You have to tell us within 21 days about any change in circumstances which may affect your entitlement to a discount, exemption or a Council Tax Reduction.
If we've asked you to supply information to identify the liable person and that information is in their possession or control you must tell us the information within 21 days.
If you receive a request for information following the issue of a Liability Order and that information is in your possession you must tell us the information within 14 days of the request.
Failure to notify or supply information could lead to a penalty of £70.
If you've already received a penalty and a further request to supply the same information is made again we still don't receive the information you could receive a further penalty of £280.