To elect an Arizona withholding percentage, an employee must complete Arizona Form A-4, and submit it to their employer. Get information about online options available for paying sales taxes, filing tax returns, managing your business account, and reviewing history.You must be licensed and pay tax if you are located in Phoenix and you lease, rent or license for use tangible personal property. The University of Idaho and the University of Phoenix intend, with proper approvals, to affiliate with the goal of increasing access to all learners. Create a Business Online Services account to file and pay New York State business taxes, including corporations tax, sales tax, withholding tax, and more.