OR-10: Form OR-10, Underpayment of Oregon Estimated Tax (2024)
Oregon · Oregon DOR · Used for tax years 2024
Form OR-10 reports interest on underpaid Oregon estimated tax or claims an exception to paying estimated tax. It records your required annual payment, required installment payments, and total underpayment interest for 2024.
Who files this form
Include Form OR-10 with your Oregon income tax return if you owe interest on underpaid estimated tax or are claiming an exception to underpayment interest.
When it's due
For tax year 2024, the form lists these estimated tax installment due dates:
- Installment 1: April 15, 2024.
- Installment 2: June 17, 2024.
- Installment 3: September 16, 2024.
- Installment 4: January 15, 2025.
What you'll need
To complete Form OR-10, have:
- Your last name and Social Security number (SSN).
- The Required annual payment worksheet and Underpayment interest worksheet from the Form OR-10 Instructions. The form directs you to use these to calculate your payments and interest.
- Your Oregon income tax return: Form OR-40, OR-40-N, or OR-40-P.
- Your exception number, if you qualify for an exception.
The worksheet instructions and exception details are not included in the provided text.
How to file
Include Form OR-10 when you file your Oregon income tax return if you claim an exception or owe underpayment interest. The provided form does not give a mailing address or e-filing directions.
To complete the form:
- If you qualify for an exception, enter its number on line 1 and in Form OR-40, box 44a; OR-40-N, box 69a; or OR-40-P, box 68a.
- Enter line 10 of the Required annual payment worksheet on line 2.
- Enter lines 2, 7, 12, and 18 of the Underpayment interest worksheet on lines 3A through 3D, respectively.
- Enter line 22 of the Underpayment interest worksheet on line 4. Also enter that amount on Form OR-40, line 44; OR-40-N, line 69; or OR-40-P, line 68.
Common mistakes
Follow these printed reminders:
- Use UPPERCASE letters and blue or black ink.
- Print the form at actual size (100%).
- Do not submit photocopies or use staples.
- Do not leave Form OR-10 out of your Oregon income tax return when you claim an exception or owe underpayment interest.
Questions people ask
What is Form OR-10 used for?
Use it to report interest on underpaid Oregon estimated tax or to claim an exception to paying estimated tax.
Where do I calculate my required payments and interest?
Use the worksheets inside the Form OR-10 Instructions. The form refers to the Required annual payment worksheet and the Underpayment interest worksheet.
Where do I enter an exception number?
Enter it on Form OR-10, line 1, and on Form OR-40, box 44a; OR-40-N, box 69a; or OR-40-P, box 68a.
Do I also report the underpayment interest on my income tax return?
Yes. Enter the total from Form OR-10, line 4, on Form OR-40, line 44; OR-40-N, line 69; or OR-40-P, line 68.