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”.

Simply, access the Clatterans site and find your coupons bar. All the latest

coupons will be shown out, note that the coupons bar will only appear when you have coupons available.

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

Yes. Coupons for each Discount Event of Clatterans 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, it has ever. It may not be available now, but it is completely possible for loyal customers of Clatterans to get it by tracking all of its promotion programs.

Shoppers can get coupons for their first purchase at the store. However, it is not all the time, sometimes, they cannot apply a discount on items selling out or items not contained in the promotion program. It depends on the time you shop at Clatterans.