All the tickets sold on Ticket Liquidator are guaranteed to be authentic tickets, valid for entry to the event concerned. Customers should contact their ticket seller ASAP if there is any problem using their tickets at the venue. Customers need to provide evidence of invalidity from the venue in those cases when a ticketing issue is not resolved. Ticket Liquidator requires this evidence in order to obtain a refund from the ticket seller who supplied the order. The evidence could range from a letter from the venue or even a simple email identifiably from venue personnel that verifies there was a problem scanning the tickets.