three years
Generally, the IRS can include returns filed within the last three years in an audit. If we identify a substantial error, we may add additional years. We usually don’t go back more than the last six years. The IRS tries to audit tax returns as soon as possible after they are filed.

Can I file taxes from 8 years ago?

There’s no time limit for submitting a previously unfiled return. However, if you’d like to claim your refund, you have up to three years from the due date of the return. It may be a good idea to speak with an experienced tax attorney or CPA before filing old returns.

Can a married couple file a joint tax return?

Many tax benefits are available only if married couples use the married filing jointly filing status. However, if you file a joint return, both you and your spouse have joint and several liability. Both of you are responsible for the taxes, interest and penalties due on the return.

When do you hold a past due tax return?

We hold income tax refunds in cases where our records show that one or more income tax returns are past due. We hold them until we get the past due return or receive an acceptable reason for not filing a past due return.

When to use Publication 505, Tax Withholding and estimated tax?

Use the instructions in Publication 505, Tax Withholding and Estimated Tax. Taxpayers with more complex situations may need to use Publication 505 instead of the Tax Withholding Estimator. This includes employees who owe, the alternative minimum tax or tax on unearned income from dependents.

Can a federal tax return be challenged after three years?

The IRS can only pursue tax issues older than three years if there are special circumstances, like substantially understated tax or fraud. In ordinary cases, however, if they accepted a tax return three years and one day ago, they generally cannot challenge it.