Oklahoma — Oklahoma Annualized Income Installment Method for Individuals
More about the Oklahoma Form OW-8-P-SUP-I
We last updated Oklahoma Form OW-8-P-SUP-I in January 2024 from the Oklahoma Tax Commission. This form is for income earned in tax year 2023, with tax returns due in April 2024. We will update this page with a new version of the form for 2025 as soon as it is made available by the Oklahoma government.
Other Oklahoma Individual Income Tax Forms:
In addition to information about Oklahoma's income tax brackets, Tax-Brackets.org provides a total of 55 Oklahoma income tax forms, as well as many federal income tax forms. Here's a list of some of the most commonly used Oklahoma tax forms:
| Form Code | Form Name |
|---|---|
| Form 511 | Individual Resident Income Tax Return |
| Form 511NR | Individual Nonresident/Part-Year Income Tax Return |
| 511-Pckt | Individual Resident Income Tax Return Packet (instructions, forms and tables) |
| Form OW-8-ES | Estimated Tax Declaration for Individuals |
| 511NR-Pckt | Individual Nonresident/Part-Year Income Tax Return Packet (instructions, forms and tables) |
View all 55 Oklahoma Income Tax Forms
Disclaimer: While we do our best to keep Form OW-8-P-SUP-I up to date and complete on Tax-Brackets.org, we cannot be held liable for errors or omissions. Is this form missing or out-of-date? Please let us know so we can fix it!
Tax Form Sources:
- Oklahoma Tax Commission ( http://www.tax.ok.gov/
) - Tax Commission Income Tax Forms ( http://www.tax.ok.gov/itformcrt1.html )