Find out if you need to file a federal tax return and how to file if you are a U.S. citizen or noncitizen. And verify if your tax return was received.

Learn how to get assistance filing your taxes and explore the IRS' free online tools.

Most states require income and other types of taxes. Learn about and get help with taxes in your state.

Check your tax refund status. Find unclaimed refunds. Learn what to do if your refund seems too low.

Learn how to get tax forms and what to do if you do not get a W-2 form from your employer on time.

See how to get a six month extension on filing taxes. You must still estimate and pay on time.

Learn about tax credits and deductions for children and dependents and after disasters.

Learn the difference between copies of tax returns and tax transcripts and how to get them.

Find out how to resolve tax disputes with the IRS.

Learn about tax withholding and make sure you are having the correct amount withheld.