Not sure. It would be best to call location directly
You can download Costco apps into your smartphone and you will know when the coupons start or end from your Costco location, that's easy. Or other options like the others.
I'd call them I sure there coupons have different expiration dates
The coupon books come in the mail or can get at your location. They tend to go for about 30 days. If there is something on sale they normal the normal signs then change it to the sell sign with the start anf end date on them.
Coupon books are typically mailed to Costco members, but can also viewed Online. Online and mailed coupon books give both start and end dates for coupon related sales. Also, within Costco, sale/coupon items displayed also give expiration date of coupon items.
Each book of coupons has their effective dates printed on them. There is usually a several day gap between when one book of coupons ends and the next one starts. For details on any specific offer, try checking their website or calling.
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