1. How and where do I submit documents for filing? It is highly recommended that you submit your filings on the A.C.C.'s website, eCorp.Are amendments required? The Corporate Audit Section (Audit Section) of the Arizona Department of Revenue (ADOR) conducts audits of corporate taxpayers subject to taxation. Order your foreign qualification online in order to obtain your certificate of authority to transact business in any state. Online filing for Trade Names and Trademarks has been fully implemented and PDF forms are no longer accepted. How to fill out the Application for Authority to Transact Business in Arizona? 1. Identify the type of entity you are applying for. 2. Differences for professional corporations are called out in the instructions and hints below. Note that some information is optional.