JAS can only guarantee tickets purchased from our sites or apps. If you purchase from a 3rd party or scalper we will not offer customer service, authentication or support for any passes purchased through any 3rd parties. You will only know that your 3rd party pass is valid when it successfully scans into the Venue each day. Redeeming a ticket from a 3-Day Pass purchase does not guarantee that the remaining days will be valid. Scalped passes are subject to cancellation at any time without warning.