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e-file for Large and Mid-Size Corporations - Frequently Asked Questions - Sources for Additional Information on Large and Mid-Size Corporations e-file

You should review these updated FAQs since many of these FAQs have been revised, updated, or deleted to reflect changes applicable to tax year 2011 returns. If you have additional questions after reviewing these FAQs, you can submit them via email to Large Corporate.

Archived Guidance for prior year FAQs

F. Sources for Additional Information on Large and Mid-Size Corporations e-file





Will the IRS provide additional information and respond to questions concerning the new e-file requirements?

Yes. The IRS updates this e-file for Large and Mid-Size Corporations web page with new information as it becomes available. Check back regularly for updates.

IRS also provides e-mail addresses where interested parties can submit questions concerning corporate e-file requirements.

  • Corporate taxpayers (Forms 1120, 1120S, and 1120-F) may email questions about e-file to: LargeCorporate Note: This email service is for e-file related questions only, not account or tax law questions.
    • Taxpayers with account or tax law questions may call 1-800-829-4933.
    • Tax practitioners with account or tax law questions may call 1-800-829-8374.
  • Tax Practitioners or Software Developers should contact the e-help Desk at 1-866-255-0654 for assistance with inquiries.

While individual responses may not be possible due to the volume of questions submitted, IRS will post answers to frequently-asked e-file questions on this web site.


How will IRS communicate more information about the new e-file requirements with external audiences and stakeholder groups?

Since the e-file requirements were issued, IRS officials have been holding regular meetings with representatives from key external stakeholder groups (TEI, ACT, and AICPA) to discuss e-file requirements and administrative processes.  These meetings will continue.

Interested parties may also subscribe to e-file News for Large and Mid-Size Corporations to receive email alerts to new e-file developments affecting large and mid-size corporations.


If a Large Taxpayer has questions about electronic filing during the actual return preparation process, what other resources are available?

The best source of information during actual return preparation will be your software vendor. Publication 4163 is also a good source of information.  The IRS e-help Desk at 1-866-255-0654 can answer basic questions about electronic filing but cannot assist with return preparation.

Page Last Reviewed or Updated: 21-Dec-2016