Just follow the site, it may be easy to update the macback discount anytime. All of the latest coupons and discount codes are shown as soon as they're released. If any macback teacher discount is launched, you can also know as soon as possible.

In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

In case you need to change another macback Coupon Code, or you no longer want to use the item, you can cancel your Coupon Code by a press on the Cancel tool at macback. We will support you if you have any trouble via our mail.

Usually, Coupon Stacking is not allowed at macback. However, the store will surely give out notice if available.

Yes. Coupons for each Discount Event of macback will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

Yes. The old coupons from macback will be kept on the page if it has not expired. New coupons will continuously be updated.