We are authorized to sell under the United States Postal Services' Labor Relations Department, Uniform Program. Furthermore we take our responsibility as a licensed vendor very seriously. That is why you will only see fully licensed and certified uniform products on our website.
The new Citibank cards do not have a Visa logo, but they can still be used like a Visa. Since there is not a Citibank option on the checkout page, simply select Visa as a method of payment, and there will be no issues processing the order.