This is what I received as a response from Shoppers today, will update again after they speak to customer service
If it's a coupon printed off the internet, then it's up to the store's discretion whether to accept it or not. If it was a formal, mailed coupon, they should, but I'll verify with customer service.
UPDATE 2 FROM SHOPPERS CUSTOMER SERVICE
I'm being told that we do NOT accept coupons with a US address on them, so if that's all there is on these coupons, we can't take them. You can let Clairol know that they need to do a Canadian version next time....
UPDATE FROM CLAIROL
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Sample Queen
