Income Tax Forms

Everything you need to know about the Internal Revenue Service (IRS) forms required to pay your U.S. income taxes.

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How to Fill Out the 2025 W-4 Tax Withholding Form Correctly
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Form W-4: What It Is and How to File
IRS Form 2441
IRS Form 2441: Who Can File for the Child and Dependent Care Credit, and How
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The Purpose of IRS Form 8949
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What Is Form 5498: IRA Contribution Information?
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Form 1310: Purpose for Taxes, Who Files, and How to File
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What Is Schedule D: Capital Gains and Losses?
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Form 4868: 6-Month Extension to File a Tax Return
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Form 4797: Sales of Business Property Definition: What It Is and How to File
4506-t form for tax time
Form 4506, Request for Copy of Tax Return: Definition and Filing
Mortgage Investment Credit Tax Form 8396
What Is Form 8396: Mortgage Interest Credit?
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What Is Form 8379: Injured Spouse Allocation? Definition
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Section 1341 Credit: Definition, Purpose, and How It Works
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W-4 Form
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Form 843: Claim for Refund and Request for Abatement: How to File
P45 Form: United Kingdom Tax Form, What it is, How it Works
Internal Revenue Service Building
Form 2848: Power of Attorney and Declaration of Representative Definition
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Form 9465: Installment Agreement Request
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What Is Form 6251: Alternative Minimum Tax-Individuals?
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Form 990: Return of Organization Exempt from Income Tax Overview
Schedule L: Transactions with Interested Persons Overview
Form 6252: Installment Sale Income: What it is, How it Works
Form 2439: Notice to Shareholder of Undistributed Long-Term Capital Gains
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The Purpose of IRS Form 2848
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Form 8689: Allocation of Individual Income Tax to the U.S. Virgin Islands
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IRS Publication 525: What It is, How It Works
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Free File Fillable Tax Forms: What They Are and How They Work
NR6 Form: What It Means, How It Works in Income Tax
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Form 4070A: Employee's Daily Record of Tips Overview
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IRS Form 4868: What It is and how It Works
IRS Publication 721: Tax Guide To U.S. Civil Service Retirement Benefits
IRS Form 706-GS(D): Generation-Skipping Transfer Tax Return For Distributions
IRS Publication 17
IRS Publication 17: What It is, How it Works
IRS Publication 544
IRS Publication 544: What It is, How It Works
IRS Publication 225 or Farmer's Tax Guide
IRS Publication 225 or Farmer's Tax Guide: Overview
Form 4563
FIRS Form 4563: What It Is and How to File
IRS Publication 570
IRS Publication 570: Tax Guide For Individuals With Income From U.S. Possessions
IRS Publication 939: A guide on how to determine the tax treatment of pension and annuity income under the General Rule.
IRS Publication 939
IRS Publication 556
IRS Publication 556: Examination Of Returns, Appeal Rights And Claims For Refund