Tax Blog & Guides
Expert tips, step-by-step guides, and everything you need to file your taxes with confidence. Updated for the 2026 tax season.
Category: IRS Forms
197 articles found
What is IRS Form 1099-C vs 1099-A explained
Complete guide to IRS Form 1099-C vs 1099-A. Learn the differences between these forms, when you receive each, what they mean, and how to report them on your tax return.
Christopher Taylor
What Is IRS Form 1099-K and New Reporting Rules
Learn about Form 1099-K for payment card and third-party network transactions, new reporting thresholds, how it affects you, and how to report it on your tax return.
Robert Thompson
What Is IRS Form 1099-MISC and When It Applies
Learn about Form 1099-MISC for miscellaneous income, what types of income it reports, who receives it, when it's issued, and how to report it on your tax return.
Robert Thompson
What Is IRS Form 1099-NEC and Who Receives It
Learn about Form 1099-NEC for non-employee compensation, who receives it, when it's issued, how to report it on your tax return, and what to do if you don't receive one.
Robert Thompson
What Is IRS Form 1099-R and Retirement Income
Learn about Form 1099-R for retirement distributions, what information it contains, how to report it on your tax return, and tax implications of different types of distributions.
Michael Chen
What Is IRS Form 1116 and Foreign Tax Credits
Learn about Form 1116 for the Foreign Tax Credit, how it helps avoid double taxation, when to use it instead of the Foreign Earned Income Exclusion, and how to calculate the credit.
David Kim
What Is IRS Form 1120 and C-Corporation Taxes
Learn about Form 1120 for C-corporation tax returns, how C corporations are taxed, what income and deductions are reported, and how corporate tax rates apply.
Robert Thompson
What is IRS Form 1120-F and foreign corporations
Complete guide to IRS Form 1120-F for foreign corporations. Learn what Form 1120-F is, who must file it, when foreign corporations must file U.S. tax returns, and how to complete it.
Christopher Taylor
What Is IRS Form 1120-S and S-Corp Filing
Learn about Form 1120-S for S corporation tax returns, how S corporations are taxed as pass-through entities, and what information shareholders receive on Schedule K-1.
Robert Thompson
What is IRS Form 1127 and due date changes
Complete guide to IRS Form 1127 for requesting changes to tax due dates. Learn what Form 1127 is, when you can request due date changes, and how to get approval for deadline changes.
Christopher Taylor
What is IRS Form 2210 and underpayment penalties
Complete guide to IRS Form 2210 and underpayment penalties. Learn what Form 2210 is, when you owe underpayment penalties, how to calculate penalties, and how to avoid them legally.
Christopher Taylor
What is IRS Form 2290 and heavy highway vehicle use tax
Complete guide to IRS Form 2290 for heavy highway vehicle use tax. Learn what Form 2290 is, who must file, what vehicles are subject to tax, when to file, and how to complete the form.
Christopher Taylor
Ready to File Your Taxes?
Put your knowledge to work. Start your free return with iFileTax today.
Start Free Return