Originally Posted by
TAHKUCT
I have never used payusataxes.com, but have been using officialpayment.com for several years to pay my estimated taxes. I have used Citi Amex and Amex Plat cards and never was charged a cash advance fee by these institutions. I only paid a convinience fee charged by officialpayments.com and even that always posted to my account as a purchase.
+1. In prior years, I have used both Citi and Chase visa cards to pay taxes via officalpayments.com and there were no cash advance fees or interest from Chase or Citi. Such payments are treated as credit card charges (which makes sense as the 2%+ fee charged by the merchant is in turn needed to cover the bank processing fees).