Walmart

Yes we will be accepting internet coupons as long as the following criterias are met:

Item matches coupon (size, style...)
Scanable barcode is present
Dealer address to redeem coupon is present (Canadian address)
We accept them. Make sure price is entered on free coupon offer.

When the customer brings you numerous quantities of the same coupon, we should be looking to see if the coupon reads "one coupon per purchase" or "one coupon per item". The checkout associate should be accepting the coupon in accordance with these coupon instructions.

So it should play out in the following way:
"One coupon per purchase" means one coupon per transaction
"One coupon per item" means one coupon per each individual item.
So that more than one of the same coupon could be used in one transaction
We do not permit coupon stacking (use of more than one) per item.

When the coupon value exceeds the value of the product , we indicate the retail price of the product on the coupon , to indicate the amount we will be redeeming when sending in the coupon.

Real Canadian Super store
coupon policy, we do accept manufacturer and internet coupons however they must have "To The Dealer or Retailer" text on them.

They cannot be past expiration and the cashier must follow the exact instructions as laid out by the coupon. The disclaimer “one per purchase” or “one per customer” means only one coupon can be used per transaction regardless of the number of units you are purchasing. If the disclaimer reads “one coupon per item” you would be able to redeem as many coupons as units you are purchasing per transaction.

If any of the coupons you are redeeming (whether issued by the retailer or manufacturer) state “cannot be combined with any other offer” than you are not able to redeem a second coupon on that item or transaction.