IFTA North Carolina ? it is a part of IFTA which is responsible for IFTA tax in this area of United States. There are many firms that need to file their IFTA forms this month. I suggest them to visit www.ifta.biz. This website contains a special on-line application that will calculate the amount of IFTA tax in a few minutes. You just need to provide a few basic information. In my opinion every trucker should check this website. It can be very useful.