For inquiries about refunds, exchanges, and approvals, please contact the place where you purchased the gift certificate. (The tolerance is the place of use, not the place of purchase of the gift certificate)-This gift certificate can be used to earn stamps when visiting the store. (Duplicate promotion is possible)-This digital gift certificate cannot be exchanged for cash, and Gong Cha gift cards cannot be purchased. -You can check the usage and balance at Pay@@@s customer center (1644-5368). -Operating Hours: Weekdays 09:30 ~ 18:00 (Not available on weekends and holidays) https://goo.gl/9Qqi1S- Non-refundable balance when transferred to third parties-Balance cannot be refunded at the place of use