Originally Posted by
ZeppoX
This is interesting. I frequently use Open Table rewards and/or restaurant.com certs for part of the bill at RN/AA restaurants, and have always gotten miles for the credit card portion. Either I've been fortunate that the restaurant didn't intervene, or these sorts of things are treated as gift cards rather than as coupons or discounts.
It's been discussed here before that credit could be refused in such cases under the rule quoted above, but it rarely is.