Events are removed from the calendar once the date has passed, unless you mention next year's event. If your annual event was removed, you can submit it again when the next occasion is announced.
AQI Guidance v1.31 (docx, 173KB): up to January 2016 AQI Guidance v1.4 (docx, 202KB): from January 2016 to autumn 2017 AQI Guidance v3.0 (docx, 113KB): for the three Trusts that used Categories C1 to ...