The technical definition is, "Excise Tax Declaration for an IRS e-File Return", the 8453-EX is a declaration by a taxpayer to authenticate an electronic Form 2290 and authorize an intermediate service provider to transmit your return using a third-party transmitter.
However, for those of who are not lawyers, this form is filed if you use a paid preparer (CPA or service provider) to e-file your tax return. With ExpressTruckTax, Form 8453 can be sent and signed electronically.
If you have any questions regarding your Form 2290 or Form 8453-EX, do not hesitate to contact our 100% US-based support team. We are here to help by phone, email, and live chat.