$30 for $50 at Banana Republic Factory Stores

Minimum purchase of $50 is required to redeem voucher. The $20 promotional value expires May 18, 2017. If voucher is not redeemed at a Banana Republic Factory store by the promotional value expiration date, purchaser will receive a refund equal to the $30 amount paid for the voucher.
The Fine Print

Promotional value expires May 18, 2017. Amount paid never expires. Limit one voucher purchase per person (except may purchase one additional voucher as a gift for someone else). Limit one voucher redeemed per transaction. Voucher has two separate components: (a) the amount paid ($30); and (b) the promotional value ($20). Voucher redeemable on a single qualifying purchase of $50 or more until 5/18/17 at Banana Republic Factory stores in the U.S. (including Puerto Rico) only. Not valid outside the U.S., at other Gap Inc. brands, online, or in clearance centers. Qualifying minimum purchase threshold excludes gift card purchases and taxes. If voucher is not redeemed by the promotional value expiration date of 5/18/17, purchaser will receive a refund of the $30 paid for the voucher (but the $20 promotional value expires and will not be refunded). Voucher cannot be redeemed in-store for any cash value (unless required by law). Voucher cannot be combined with other offers/discounts (including employee discount). Banana Republic Factory store’s return policy applies to merchandise purchased with voucher. If you return some or all of the merchandise purchased using the voucher, only amounts paid will be refunded or credited back (i.e. only up to the $30 paid for the voucher, plus any amount paid over $50 in the transaction). You will not receive a refund or credit for the $20 promotional value of the voucher. Not responsible for lost or stolen vouchers. Cannot be applied to previous purchases or used as payment on a Gap family brand credit card. Voucher is non-transferable and not for resale. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.