Use Form 8453-C to: Authenticate an electronic Form 1120, U.S. Corporation Income Tax Return. Authorize the electronic return originator (ERO), if any, to transmit via a third-party transmitter. Authorize the intermediate service provider (ISP) to transmit via a third-party transmitter if you are filing online (not using an ERO). Provide the corporation's consent to directly deposit any refund and/or authorize an electronic funds withdrawal for payment of federal taxes owed. Current Revision Form 8453-C PDF Recent Developments IRS approves temporary use of e-signatures for certain forms -- 28-AUG-2020 Other Items You May Find Useful All Form 8453-C Revisions Publication 3112, IRS e-file Application and Participation PDF Publication 4163, Modernized e-File (MeF) Information for Authorized IRS e-file Providers for Business Returns PDF Other Current Products Related Items About Form 1120, U.S. Corporation Income Tax Return About Form 8050, Direct Deposit of Corporate Tax Refund About Form 8879-C, IRS e-file Signature Authorization for Form 1120 About Form W-12, IRS Paid Preparer Tax Identification Number (PTIN) Application and Renewal
