Applying to become an e-file provider

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New (tax) year, new help!

Fixed Assets and UltraTax CS 2023 help is now on Help and Support. We're still moving articles, but you can find most content for the 2023 tax year there. Continue using the Help & How-To Center for tax years 2022 and older.


The IRS requires all participants in the electronic filing program to register online with the IRS e-services to receive an Electronic Filing Identification Number (EFIN). To prepare for electronic filing before the tax season begins, you must complete an IRS e-file application by December 1, 2022.

To register, go to the e-file Provider page on

You can also access IRS e-services from within UltraTax CS:

  1. In UltraTax CS, choose Help > Tax Subject Index.
  2. Click the Web Form instructions option.
  3. Highlight the IRS e-services link.
  4. Click Go To.

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