Originally Posted by
blitzen
And IHG should not have any say anyway as the CC and my contract is with Chase
Yes the 20% off is with Chase not IHG.
IHG will let you buy points with a point bonus with any credit card Visa, MC, AMEX, etc.
Nothing in Chase T&C seems to indicate that the 20% is only valid on standard or non bonus point purchases.
Contact Chase and please post back.