How to use coupon code? Support JJsHouse November 29, 2019 09:27 Updated Follow To use your coupon code, enter the coupon code on the Checkout page, and click "Apply", and then place the order. Related articles Can I use more than one coupon code? Why is my coupon code not working? What methods of payment do you accept? Will the color be same, if I order bridesmaid dresses in different styles? My cedit card payment was declined/won't go through.