Originally Posted by itsme

I don't have that care and don't know its T&C, nor those of the offer extended to you. But with the Chase Platinum card while there is no cap on the number of miles one can earn in the course of a year using it, they have put caps on double miles for pay-your-taxes ones, like the 15K cap others have reported with the recent targeted offers to some.

So, do you mean no cap on the double miles opportunity with your Platinum card to pay taxes, or just no cap on the total number of miles you can get at the usual 1 mile for each dollar charged, including the 2.49% "convenience fee" levied by Official Payments?