Oregon W2 E-File Requirements & EFW2 Text Format | OR iWire Upload

Oregon W2 Electronic Filing Common Questions and Answers

Does Oregon mandate filing W-2s electronically?

As an Oregon employer you are required to file electronically.

What is the name of the publication that defines Oregon W2 E-Filing format and details?

Refer to Income and Wage Information Return e-Services (iWire) "W2 Filing Specifications".

What software can I use to generate Oregon W2 E-File submissions?

You can use our W2 Mate software to create W2 E-File submissions that comply with Oregon requirements. To learn more about W2 Mate and download a demo you can visit


Can I mail my W2 E-File submission on a CD or other formats of magnetic media to Oregon?

Oregon no longer accepts magnetic media submissions.

Does Oregon follow the EFW2 format defined by the SSA?

Yes, Oregon follows the "Specifications for Filing Forms W-2 (EFW2)" as defined by the SSA, but the state also has its own special requirements.

How can I submit the Oregon DOR-EFW2 (W2 E-File) Withholding file attachment to Oregon?

You will use Oregon iWire https://revenueonline.dor.oregon.gov/tap/ select upload the properly formatted text files.

Do you need to include the RV (State Total) record as part of the Oregon W2 E-File Submission?

Yes, this record is mandatory and has to be included.

Do you need to include the RS (State Wage) records as part of the Oregon W2 E-File Submission?

Yes, this record is mandatory and has to be included.

Does Oregon have a special file naming convention for W2 E-File submissions?

No, the state does not have any special requirements; however it's a good idea to have the company name included in the file name and to have .txt as the file extension.

Does Oregon have any requirements for money fields?

Money fields must contain only numbers. No punctuation. Include both dollars and cents with the decimal point assumed (example: $89.70 = 000008970). Right-justify and zero fill to the left. Any money field that has no amount to be reported must be filled with zeros, not blanks.

Does Oregon have any requirements for Social Security Number (SSN)?

Use the number shown on the original/replacement SSN card. Omit hyphens. If there is no SSN available for the employee, enter zeros (0) in positions 10 - 18 of the RS Record.

How do I contact Oregon with questions about my W2 E-File submission?

Call 503-945-8127 or email iwire.dor@oregon.gov

The electronic filing engine available inside our W2 Mate® software gives Oregon employers and tax professionals the ability to e-File W2s with both the state of Oregon and the Social Security Administration’s (SSA). To learn more about W2 Mate visit https://www.realtaxtools.com/W2-Mate.html , email sales@realtaxtools.com or call 1-800-507-1992. 

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