1120-US ELF: Electronic filing FAQs
The following includes answers to common questions about electronic filing.
General
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 Onvio Tax forms are not allowed to be electronically filed with the IRS?
Which IRS publications should I review for Onvio Tax electronic filing?
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?
Estimates
How do I electronically file 1120 estimates?
Extensions
Can I file 1120 extensions electronically?
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?
States
For which states does Onvio Tax offer electronic filing?
Do states have electronic filing application requirements?
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?
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 do I need to consider when resubmitting an electronically filed return or extension?
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