1120 - OR ELF: General electronic filing information

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Our Support department is closed on [[date]]. However, limited UltraTax CS phone support is available on that date from 9 AM - 5 PM ET due to the approaching deadline.

Links to our most popular tax processing topics are available in the Alerts and notices section on the right side of most pages.

Below is general e-filing information for the State of Oregon. Click the State Icon to access the State E-Fiing Reference Map.


The State of Oregon does not allow returns with tax years beginning prior to 01/01/07 to be e-filed.

The following 1120-OR forms can be electronically filed using UltraTax CS.

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