After completing this online transaction you will be presented with a voucher that you MUST print out and bring with you to the ShortLine ticketing window at the Port Authority Bus Terminal in order to redeem your actual tickets. If you don't have access to a printer right now you will also receive a copy of your voucher by e-mail, which you can print at a later time. One day tours purchased online are non-refundable but can be rescheduled by contacting the ShortLine office at 800-631-8405.