You need your adjusted gross income from last year's taxes to file your federal income tax return online in 2026. Peter Butler Managing Editor Peter is a writer and editor for the CNET How-To team. He ...

What is a state tax ID number, and what is it for? A state tax ID number is sometimes called a state employer ID, state EIN or state tax registration. It’s assigned by a state to identify a business ...

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 return, being well-prepared is essential ...

If you're ready to file your 2025 income taxes (and receive your potential tax refund) early, here is the information and documentation you need. Peter is a writer and editor for the CNET How-To team.