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 W-3 and Wage Summaries
Learn about Form W-3, the transmittal form that summarizes all W-2 forms, who files it, when it's due, and how it relates to Form W-2 reporting.
David Kim
What Is IRS Form W-4 and How Withholding Works
Understand Form W-4, how tax withholding works, how to complete it correctly, and how it affects your paycheck and tax refund. Learn to adjust withholding to meet your goals.
David Kim
What Is IRS Schedule K-1 and How Income Flows
Learn about Schedule K-1 from partnerships, S corporations, and trusts, what information it contains, and how to report K-1 income on your individual tax return.
Robert Thompson
What is Schedule 1 and when is it required
Complete guide to IRS Schedule 1. Learn what additional income and adjustments to income must be reported, when Schedule 1 is required, and how to complete it correctly.
Robert Thompson
What is Schedule 2 and who needs to file it
Complete guide to IRS Schedule 2. Learn about additional taxes including alternative minimum tax, self-employment tax, and other taxes that must be reported on Schedule 2.
Maria Rodriguez
What is Schedule 3 and how credits work
Complete guide to IRS Schedule 3. Learn about nonrefundable and refundable credits, how tax credits reduce your tax, and which credits must be reported on Schedule 3.
Emily Davis
What is Schedule A and who should itemize
Complete guide to Schedule A itemized deductions. Learn what Schedule A is, who should itemize, how to decide between itemizing and taking the standard deduction, and what deductions you can claim.
Christopher Taylor
What is Schedule B and who must file it
Complete guide to IRS Schedule B. Learn when Schedule B is required, what interest and dividend income must be reported, and how to complete it correctly.
Laura Mitchell
What to Do If Form 1095-A Is Incorrect
Learn what to do if your Form 1095-A has errors, how to request a corrected form, how to file your taxes with incorrect information, and when to wait for corrections.
Sarah Mitchell
What to Do If Your W-2 Is Wrong
Learn how to handle incorrect W-2 information, when to request a corrected W-2, how to file your taxes with wrong information, and what to do if your employer won't correct it.
David Kim
When disclosure of tax shelters is required
Complete guide to when disclosure of tax shelters is required. Learn what tax shelters must be disclosed, when Form 8886 is required, what transactions are reportable, and how to comply.
Christopher Taylor
When to contact the IRS Taxpayer Advocate Service
Complete guide to when to contact the IRS Taxpayer Advocate Service. Learn what situations qualify, what problems TAS can help with, and when it's appropriate to request assistance.
Christopher Taylor
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