1120-US ELF: Electronic filing FAQs

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The following includes answers to common questions about electronic filing.


Is there a mandate for electronically filed corporate returns?

Do I need to file an application to file electronic returns?

How do I sign a return that is being filed electronically? 

How is the name control determined?

Which UltraTax CS/1120 forms are not allowed to be electronically filed with the IRS?

Which IRS publications should I review for UltraTax CS/1120 electronic filing?

How do I electronically file Form 8865?

How many years of returns does the IRS support for electronic filing?

Where can I find a list of foreign country codes?

Are pre-calculated penalties and interest included with my return?

Why do some of my returns have the numeric value "1120 US 2" after the entity type in the Entity column in the Electronic Filing Status dialog?

How does UltraTax CS CS warn against entering data in a return after the return's electronic file has been created and is ready for transmission?


How do I electronically file 1120 estimates?

Will the IRS withdraw estimated tax payments if the return is electronically filed after the due date of the estimates?

FinCEN Form 114, Report of Foreign Bank and Financial Accounts (FBAR)

How do I extend FinCEN Form 114 (FBAR)?

Do I need to register with the BSA E-File System to file FBAR / FinCEN Form 114 through UltraTax CS CS?

How do I suppress the FinCEN Form 114 (FBAR) electronic file?

Can prior-year FinCEN Forms 114 be electronically filed using UltraTax CS CS?


Can I file 1120 extensions electronically?

How do I create an electronic extension for a consolidated S Corporation?

How do I create an electronic extension for a consolidated C Corporation?

How do I create a batch of electronic extensions?

Common error codes

Why am I getting IRS error code R0000-905-01?

What does IRS error code X0000-005 mean?

Why am I getting IRS error code R0000-901-01?

Payments and refunds

If I have a balance due, what payment options are available for electronic filing?

How do I make an electronic payment?

How do I account for electronic funds payment options in the filing instructions?

Consolidated returns

How do I electronically file a consolidated C Corporation return?

Can I electronically file an 1120S Consolidated return?


For which states does UltraTax CS/1120 offer electronic filing?

Do states have electronic filing application requirements?

What should I enter if I have a state ELF critical diagnostic requiring an officer SSN when the officer is a foreign citizen and/or doesn't have a social security number?

PDF attachments

Which forms can I attach as a PDF file to the electronic file?

How do I attach a PDF document to the electronic file?

How do I attach a Form 8865 to the filer's electronic file?

Are there naming conventions that should be followed for PDF files that are attached to an electronic file?

What forms and worksheets are automatically attached as a PDF to an electronic file?

Previously filed returns

Can amended returns be electronically filed?

Should I file an amended or superseding return?

What should I do if I have electronically transmitted a return within the last 24 to 48 hours and have not yet received an acknowledgement from the IRS?

How many days do I have to resubmit an electronically filed return or extension if the return or extension was rejected by the IRS?

What do I need to consider when resubmitting an electronically filed return or extension?

For additional information about electronic filing, see UltraTax CS/1120 electronic filing overview.

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