Oklahoma — Application for Extension of Time to File
More about the Oklahoma Form 504 Extension
We last updated Oklahoma Form 504 in January 2019 from the Oklahoma Tax Commission. This form is for income earned in tax year 2018, with tax returns due in April 2019. We will update this page with a new version of the form for 2020 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 511-V||Oklahoma Individual Income Tax Payment Voucher|
|Form 504||Application for Extension of Time to File|
Disclaimer: While we do our best to keep Form 504 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 Is this form missing or out-of-date?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!