How can I extend my full credit vouchers/gift vouchers? 14 May 2021 15:21 Updated If you have been issued with a full credit voucher for a cancelled or rescheduled performance that has now expired, please Submit a Request. Related articles How do I redeem an ATG Gift Voucher? How do I contact Customer Services? What do I do if I don’t want to see anything before the voucher expires? I have been issued with a full credit voucher. What are my options? How do I buy an ATG Gift Voucher? Comments 0 comments Article is closed for comments.