Get Answers Support Form 7004 General What are the Credit Cards that ExpressExtension Accepts? Currently, we accept American Express, Visa, Mastercard, and Discover credit cards to proceed with the payment process. Was this helpful? Yes No Related Questions Why does ExpressExtension charge this price for e-filing returns? Can I attach additional information to Form 7004? Go to Home Page Need more help? Get in touch with our dedicated support team Contact Us (803) 514-5155 [email protected]
