RAINCHECK
a ticket given for later use when a sporting fixture or other outdoor event is interrupted or postponed by rain.
a coupon issued to a customer by a shop, guaranteeing that a sale item which is out of stock may be purchased by that customer at a later date at the same reduced price.
a coupon issued to a customer by a shop, guaranteeing that a sale item which is out of stock may be purchased by that customer at a later date at the same reduced price.