Once you’ve clicked “file” or dropped your tax return in the mail, use this form to provide the IRS with updated information Richard Richtmyer is an senior editor at Buy Side and expert in student ...

To e-file your taxes, you'll need to match last year's AGI. But what if your 2020 tax return hasn't been processed yet? Peter is a writer and editor for the CNET How-To team. He has been covering ...