IFTA is a base jurisdiction fuel tax program. The program allows carriers to file one fuel report per quarter for all participating IFTA jurisdictions.Utah has reciprocity agreements with Idaho regarding farm-plated vehicles hauling their own farm equipment or product. International agreements are formal understandings or commitments between two or more countries. An agreement between two countries is called "bilateral," You complete a Certificate of Service or Proof of Service form that describes how and when you served the papers. This page provides links to tax treaties between the United States and particular countries. An international agreement is a contract or treaty between different countries. The Colombian will occupy an international spot. Learn how to legally terminate contracts in Utah with Ascent Law Firm.