About Form 8453-C, U.S. Corporation Income Tax Declaration for an IRS e-file Return

Use this form 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), and 
• Provide the corporation's consent to directly deposit any refund and/or authorize an electronic funds withdrawal for payment of federal taxes owed.

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