To take advantage of the offer, you'll have to print out the coupon that will show up on the sister chains' respective websites here and here on either December 9, 16, 23, and 30. Each coupon is only valid on the day it is issued (i.e. you can only use the December 9 coupon on December 9 and not the following Monday). As usual, it's limit one per customer, per visit.
Carl's Jr. and Hardee's are also offering a holiday deal where you can get a coupon for a free Original Six Dollar / 1/3lb. Thickburger when you buy a $20 gift card.
