(entity name must contain the words "Limited Liability. Company", "LLC" or L.C.). 2.All forms are in PDF format and are fillable (you can type in them). We recommend that you type the information so the documents are legible. The "organizer" must complete, sign and file the Arizona Corporation Commission's two page fill in the blanks Articles of Organization Arizona. Forming an LLC in Arizona starts with Articles of Organization, which are filed with the Arizona Corporate Commission. To legally form your LLC in Arizona, you must file Articles of Organization with the Arizona Corporations Commission. This guide to starting an LLC in Arizona provides step-by-step instructions on filing formation documents, obtaining tax IDs, and setting up company records.