Browse Investopedia's expert-written library to learn how to find and obtain the forms you need, how often the IRS updates its forms, and the options for filing your tax forms online.

Withholding Tax: The money an employer deducts from an employee's gross wages and pays directly to the government.
Withholding Tax Explained: Types and How It's Calculated
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Electronic Filing (E-File) Def🌠inition, Options, and Advantages
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Enrolled Agent (EA): Overview, History, FAQ
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Amended Tax Return: Who Needs to File One, How, and ♍When
Underpayment Penalty
Ta𓄧x Underpayment Penalty: 🌊What It Is, Examples, and How to Avoid One
A taxpayer places a finger on the line corresponding to their income tax bracket and enters that percentage into a calculator with the other hand.
Filing Status: What It Means on Your Taxes, Types
What Are Indi♈vidual T𒈔ax Returns, and How Do They Work?
Publication 3 Armed Forces' Tax Guide
Publication 3 Armed Forces' Tax Guide
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Federal Tax Brackets: What They Are and History
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What Is Estimated Tax and Who Must Pay It?
Man Paying Bills on Laptop
Electronic Federal Ta൲x Payment System (EFTPS) Overview
U.S Tax Filing paperwork
Notice Of Deficiency: What it Means, Examples
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Filing Extension: What It Is and How It Works
Back♎ Taxes: Meaning, Consequences of not Paying, Tax Liens
Benefits Re𝄹cꦏeived Rule: What it is, How it Works, Examples
A man filling an income tax return form with pen and calculator.
Personal Exemption: Explanation and Applications
Nominee Interest: What It is💯, Ho🅺w It Works, Example
Gift Tax Return Definition
A small business owner sits at a table in their coffee shop and uses a calculator to tally sales for the previous evening shift.
Short Tax Year: What it Means, How it Works
Businessman making calculation financial annual report and after fill 1040 tax form.
What Is Bracket Creep?
Nominee Distrib𒈔ution: What It Means, How It Works, Example
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Single Filer: Overview, Pros and Cons
90-Day Letter
90-Day Letter: What It Means, How it Works
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Netlife: What it Means, Benefits, Ineligibility
Joint Return Test
Joint Return Test: What It is, How It Works
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Joint Return: Meaning, Eligibility, and Benefits
Separate Return
Separate Return: How It Works, Pros and Cons
Telefile
Telefile
Refund: What it Means, Different Types, Example
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Withholding: Definition, Tax Ru𓂃les, Federal vs. State