W-9 vs W-4 Forms: What’s the Difference

Eformscreator
2 min readDec 6, 2023

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There are over 800 different Internal Revenue Service (IRS) tax documents in the United States. At the end of the tax year, you must understand which of the forms apply to you and how to fill them out in a correct manner. If you want a free online w9 form generator, eFormscreator can quickly generate it for you.

The two most common tax document forms are Form W-9 and W-4. Due to its similarities, these are the forms that people get confused about the most.

In this blog, we shall outline the difference between w4 and w9 and know more about them.

difference-between-w9-and-w4

Recap of the Internal Revenue Service (IRS)

The Internal Revenue Service (IRS) is a U.S. government agency responsible for the collection of federal taxes and the enforcement of tax laws.

It was established in 1862 by President Abraham Lincoln and operated under the authority of the U.S. Department of Treasury. The main motive of the IRS is to collect individual income and employment taxes as well as corporate, excise and estate taxes.

What is a W9 Form?

A W9 form is commonly known as the Request for Taxpayer Identification Number (TIN) and Certification.

This is a one-page tax form that employers use to get the TIN from self-employed individuals and independent contractors.

What is a W-4 Form?

W-4 Form, also known as the Employee’s Withholding Allowance Certificate, is a federal form that employees must complete when starting a new job.

Employers use a Form W-4 to determine how much income tax to withhold from their employee’s paychecks.

The amount of income tax withheld from the employee will be based on their wages and the number of withholding allowances they qualify for.

You might also want to check out the full article, What is the Difference Between W9 and W4?

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