Free guide for simplest way to register your Foreign Corporation in Utah for a Utah Certificate of Authority, or you can hire us to file for you. There you can fill out, pay for, and submit your filing online.Mail or fax your application to the Division of Corporations in Salt Lake. To register a foreign nonprofit in the State of Utah, you must file an Application for Authority to Conduct Affairs for a Foreign Corporation. Want to incorporate in Utah? Learn how to structure your business, file the required documents, choose a name, and more. This form must be type written or computer generated. For your convenience, this form has been designed to be filled out and printed online.