Dyess Commissary offers gift vouchers for holidays Published Dec. 2, 2009 DYESS AIR FORCE BASE, Texas -- The Defense Commissary Agency offers gift vouchers available in $25 denominations. Anyone may purchase gift vouchers; however, only commissary authorized patrons may redeem them. Vouchers are available at commissary customer service areas, cash offices and from cashiers at full-service checkout lanes. There is no limit on the number of vouchers someone can purchase. For large purchases of more than $1,000 in vouchers at a time, the store must be notified at least one week in advance. No additional fees will be added to the cost of purchasing or redeeming the voucher.