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The IRS has implemented a Business Acceptance Testing System (BATS) that will test procedures that employ hypothetical scenarios to measure the electronic transmission capability of potential Software Developers and Transmitters of Form 1041 Fiduciary Returns.

The testing process for 1041 IRS e-file participants for Tax Year 2011 will include self-developed test cases using specified Employer Identification Number (EIN) ranges 41-0000001 through 41-0001000. Business Acceptance Testing System (BATS) began December 5, 2011. The software package used to prepare/transmit the return data must pass testing with the IRS prior to live transmissions. Refer to Publication 1437, Section 8, for suggested criteria for developing test scenarios.

Optional Pre-filing Entity testing has recently been added to the BATS process.  See Publication 1437 for additional information on Pre-filing Entity Testing.

When applicants are ready to test, they must make arrangements with the Ogden Submission Processing Campus, Electronic Filing Section at 1-866-255-0654.

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