This is a common question: How long must taxpayers keep copies of their tax returns and supporting documents?
Generally, taxpayers should hold on to their tax records for at least 3 years after the due date of the return to which those records apply. However, if the original return was filed later than the due date, including if the taxpayer received an extension, the actual filing date is substituted for the due date. A few other circumstances can require taxpayers to keep these records for longer than 3 years.
The statute of limitations in many states is 1 year longer than in the federal statute. This is because the IRS provides state tax authorities with federal audit results. The extra year gives the states adequate time to assess taxes based on any federal tax adjustments.Continue reading →