How far back can I go to amend my taxes?

three years
Three-year time limit. You usually have three years from the date you filed your original tax return to file Form 1040X to claim a refund. You can file it within two years from the date you paid the tax, if that date is later.

Can you file an amended tax return after 3 years?

In order to claim a tax refund, a tax amendment has to be filed within 3 years you filed the original tax return (including extensions), or within 2 years of the date you paid the tax, whichever is later. After 3 years, you can no longer claim a refund and the money goes to the government.

Can you amend old tax returns?

If you want to make changes after the original tax return has been filed, you must file an amended tax return using a special form called the 1040X, entering the corrected information and explaining why you are changing what was reported on your original return. You don’t have to redo your entire return, either.

How do I file an amended Oklahoma tax return?

To make a correction to the Oklahoma return you have filed, print and complete Form 511X with the necessary changes. Your amended return can then be mailed with all accompanying schedules and payment to Oklahoma Tax Commission, P.O. Box 269045, Oklahoma City, OK 73126-9045.

What do I need to amend my Oklahoma State tax return?

If you need to change or amend an accepted Oklahoma State Income Tax Return for the current or previous Tax Year, you need to complete Form 511 (residents) or Form 511NR (nonresidents and part-year residents). Forms 511 and 511NR are Forms used for the Tax Amendment.

How to file a state tax return for 2012?

In order to file a 2012 IRS Tax Return, download, complete, print and sign the 2012 IRS Tax Forms below and mail the forms to the address listed on the IRS and State Forms. Select your state(s) and download, complete, print and sign your 2012 State Tax Return income forms. You can no longer claim a Tax Refund for Tax Year 2012.

How to complete Oklahoma state income tax form 511?

Fill out Schedule 511-I (“Amended Return Information) on Form 511, page 6. For Form 511NR, enter tax previously paid and/or previously underpayments on lines 31 and 33. You should also complete Schedule 511NR-H. Option 2: If you don’t have an eFile.com account follow the step by step instruction on how to prepare a tax return/amendment.

Where to mail Oklahoma State Income Tax Form?

Print out the form and mail it to: Oklahoma Tax Commission, Post Office Box 26800, Oklahoma City, OK 73126-0800.