I work at Michael's And we do not accept expired coupons even if we are closed on Sunday. Our Michael's isnt open but Ramsey just 10 minutes up is so it not much of a distance if you really want to use that coupon!
They might. Bergen County, as you know has blue laws for the stores that can be open, and many are closed. If your coupon has been valid for a few weeks, but those weeks contained Sundays, obviously, if you ask them, management may just bend the rules. I've seen it happen for chains other than Michaels, though. So don't quote me.
All of Michaels' coupons have expiration dates. I have never had them accept a coupon after the expiration date.
Sorry I have no idea call them up and ask
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