OR-20: Form OR-20, Oregon Corporation Excise Tax Return (2024)
Oregon · Oregon DOR · Used for tax years 2024
Form OR-20 is Oregon’s 2024 Corporation Excise Tax Return. It reports corporate taxable income, Oregon additions and subtractions, income apportionment, and the calculation of Oregon excise tax before credits.
What you'll need
Include a complete copy of your federal Form 1120 and its schedules.
Depending on the entries on your return, you may also need:
- Schedule OR-ASC-CORP for additions, subtractions, and credits.
- Schedule OR-AP if you apportion income.
- Supporting schedules for net loss or net capital loss deductions if income is not apportioned.
- Schedule OR-FCG-20 if you claim that adjustment.
- Supporting schedules for tax adjustments and withholding payments made on your behalf from pass-through entity or real estate income.
- Form OR-37 for interest on underpayment of estimated tax.
Have your payment records ready for Schedule ES, including amounts, dates paid, payer names, and payer FEINs.
How to file
Complete the return and the officer signature and date fields. Include a complete copy of your federal Form 1120 and schedules, plus any applicable supporting schedules.
Refund returns and returns with no tax due: Mail to:
Refund
PO Box 14777
Salem OR 97309-0960
Returns with tax to pay: Mail the return with payment to:
Oregon Department of Revenue
PO Box 14790
Salem OR 97309-0470
Do not include a payment voucher with your return.
Common mistakes
- Use UPPERCASE letters and blue or black ink.
- Print the form at actual size (100%). Do not submit photocopies or use staples.
- Do not include a payment voucher with the return.
- Remember to include a complete copy of federal Form 1120 and its schedules.
- Include Schedule OR-AP if you apportion income. If you do not apportion income, enter 100.0000 on line 8.
- Enter the net loss and net capital loss deductions on lines 6 and 7 as positive numbers, and include supporting schedules.
- Do not reduce the amounts on lines 18 and 20 below the minimum tax.
Questions people ask
Do I need to complete questions A through C every year?
No. Complete them only if this is your first return or an answer changed during the tax year. These questions cover the state and date of incorporation, state of commercial domicile, and date business activity began in Oregon.
Where do I report payments made with an extension?
Report them on Schedule ES, line 6. The total on Schedule ES, line 8, carries to line 23 of the return.
Can I apply part of my refund to estimated tax?
Yes. Enter the amount to credit to your open estimated tax account on line 33. Subtract that amount from line 32 to calculate your net refund on line 34.
What if my income comes from Oregon and other states?
The form directs you to carry the amount from line 5 to Schedule OR-AP, part 2, line 1. You must include Schedule OR-AP to apportion income.