To claim your $15 voucher, in your Lone Star Loyal app, click on the menu icon in the top left hand corner. Select 'promo code' and enter the above code then click submit.
*Ts&Cs: Not valid with any other offer, promotion, voucher or discount. One voucher per Lone Star Loyal account/device. Redeemable with a minimum spend of $50 in one transaction. Only valid at Lone Star Dunedin on Saturday 19th May.