Use this form to:
- Authenticate an electronic Form 1065-B, U.S. Return of Income for Electing Large Partnerships,
- Authorize the electronic return originator (ERO), if any, to transmit via a third party transmitter, and
- Authorize the intermediate service provider (ISP) to transmit via a third-party transmitter if you're filing online (not using an ERO).
Other Items You May Find Useful
Publication 3112, IRS e-file Application and Participation
Publication 4163, Modernized e-File (MeF) Information for Authorized IRS e-file Providers for Business Returns
Comment on Form 8453-B
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