ExpressExtension Support Find answers to your questions. Get Answers Support Getting Started General Is there any cost to re-transmit a rejected extension? No! If the IRS rejects your extension form due to errors, you can correct the incorrect information and re-transmit your forms at no additional cost. Was this helpful? Yes No Related Questions Why e-file my extension with ExpressExtension? What if I don't pay my taxes before the deadline? When is the deadline to e-file a tax extension? Is there a penalty if I fail to file the extension form by the due date? Go to Home Page Need more help? Get in touch with our dedicated support team Contact Us (803) 514-5155 [email protected]