Accepted forms of payment online are: Visa, MasterCard, Discover credit and debit cards, PayPal, eChecks and other digital wallets for your convenience. Arizona Transaction Privilege Tax (TPT) is a tax imposed on vendors for the privilege of doing business in the State of Arizona.A confidentiality agreement helps reduce the chance this will happen while protecting potential buyers who are assessing your business. With a Business Credit Card you can issue a card to employees for purchases, travel, and more all while keeping personal expenses separate. You can purchase or lease goods and services ("Purchases") from any merchant who honors your Card up to your maximum credit limit for your Card.