8. Upon the member making a redemption request, the PSA. office will process the order and will contact the member within 10 working days. Voucher rewards will be available for pick up within 15 working days at PSA. office or can be sent to the address specified on file. Merchandise or product rewards will be handover personally within 30 working days. The member must pay 3% withholding tax on merchandise or product that exceeds Baht 1,000 value. If a particular merchandise or product is no longer available or is out of stock, PSA. reserves the right to cancel, change or substitute the reward/s at any time with or without notice.