1. To request an international agreement the principal UArizona requester shall complete the Arizona. Instructions for applying.Read the steps in the application process to prepare for what is needed to submit your application and then complete the application. The UA International Travel Registry facilitates compliance with federal regulations and enables rapid location and communication in an emergency. Arizona residents who are working outside of Arizona may request their employer withhold Arizona income taxes from their wages for work done outside of Arizona. Treaty Countries, Country Specific Footnotes, Additional Information for Reciprocity, Reciprocity: What's New, Temporary Reciprocity Schedule, Country Acronyms. The E1 nonimmigrant classification allows a national of a treaty country (a country with which the United States maintains a treaty of commerce and navigation) Lexis Plus: Treaties in Force. Fill in the resulting template with any terms. Australia: The E-3 visa is for nationals of the Commonwealth of Australia who wish to enter the United States to perform services in a "specialty occupation.