Any complaints will be acknowledged within 5 working days or receipt, and a full reply sent within 28 Days of receipt. If we need to contact a third party in order to resolve the complaint we will notify you of any delays this may cause. Whilst Telegraph Box Office and Telegraph Media Group Limited acts as an agent only and has no control over the event we will make efforts to resolve complaints on your behalf. Please note as per terms and conditions: Tickets are sold subject to the Rules and Regulations of the event organiser / venue which are available on request. The event organiser / venue reserves the right to make alterations to the advertised arrangements or featured artists, to refuse admission and to request latecomers to await admission until a convenient break. Admission is at the ticket holder's own risk.