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.If you fax to any other fax number, your filing WILL be delayed. The "organizer" must complete, sign and file the Arizona Corporation Commission's two page fill in the blanks Articles of Organization Arizona. 3135 or going to azcc.gov. 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. Check for name availability. Forming an LLC in Arizona follows a fairly standard process of filing Articles of Organization with the Arizona Corporations Commission. To form your LLC, you must register your business in Arizona with the Arizona Corporation Commission (ACC). You must register your company or business with the Arizona Corporation Commission to establish an LLC.