Learn everything you need to know about AGI, how to find last year's info and what to do if you can't locate it. For more tax tips, learn when your taxes are due and how to track your tax refund.

Fact checked by Vikki Velasquez Filing your federal tax return to the Internal Revenue Service (IRS) starts with having the right forms in hand. Whether you choose to e-file or submit a paper ...

If you've enrolled in the program to prevent tax-based identity theft or have been issued an Identity Protection PIN by the IRS in a CPA01 Notice, you'll need that six-digit number to file your taxes.

Tax filing season has kicked into full swing. Some already have plans for their refunds, some are wondering when their refunds will arrive and some are trying to figure out how to file for free ...

It's April 15 — Tax Day. If you haven't filed with the IRS yet and want to get an estimate of how much you owe, there's a way to check. Here's how.

If you've been debating whether to file your taxes early this year, tax experts say there are now several reasons that might be a good idea. The biggest one is the rise in tax-related identity fraud.

The IRS also levies a fine if you don't file or ask for an extension by April 15. The failure-to-file penalty is 5% of unpaid taxes for each month or part of the month that the tax return is late.