The International Fuel Tax Agreement (or IFTA) is a contract between at least 48 states in the United States and the provinces of Canada that facilitates the reporting of fuel use by motor carriers that operate in more than one jurisdiction.
List of the States that are the members of IFTA
United States Of America
All the States other than Hawaii, Alaska and District of Columbia
Canada
Ontario, Alberta, Saskatchewan, Manitoba, Quebec, Newfoundland, British Columbia, Nova Scotia, New Brunswick, Prince Edward Island