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


Use this form to:

  • Authenticate an electronic Form 1120S, U.S. Income Tax Return for an S Corporation,
  • Authorize the 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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