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W9Form (Rev. October 2018) Department of the Treasury Internal Revenue ServiceRequest for Taxpayer Identification Number and CertificationGive Form to the requester. Do not send to the IRS. Go to
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How to fill out form w-9 supplement

01
Gather all the necessary information needed to fill out the form. This includes your name, address, social security number or employer identification number, and tax classification.
02
Read the instructions carefully provided with the form to understand how to properly fill it out.
03
Complete the personal information section by providing your name, address, and other required details.
04
Provide your taxpayer identification number (either social security number or employer identification number) in the appropriate field.
05
Indicate your tax classification by selecting the appropriate box, such as individual/sole proprietor, C corporation, S corporation, partnership, etc.
06
If you are exempt from backup withholding, you must provide the necessary information to support your exemption status in Part II of the form.
07
Sign and date the completed form.
08
Submit the form to the requesting party or keep it for your records as required.

Who needs form w-9 supplement?

01
Form W-9 supplement is usually needed by individuals or entities who are required to provide their taxpayer identification number to the requesting party, such as when providing services as an independent contractor, filling out financial account applications, or when requested by the IRS for tax purposes. It is primarily used to request and verify the taxpayer identification number of the individual or entity for reporting and withholding purposes.
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Form W-9 Supplement is an additional document that may be requested to provide further information for tax purposes, typically related to taxpayer identification.
Individuals or entities that are required to provide their taxpayer identification information to another party for tax reporting purposes, such as independent contractors or freelancers.
To fill out Form W-9 Supplement, provide your name, business name (if applicable), address, taxpayer identification number (TIN), and any other requested information as directed.
The purpose of Form W-9 Supplement is to help ensure accurate reporting of income and withholding by providing necessary taxpayer information.
Information such as the taxpayer's name, business name (if applicable), address, taxpayer identification number (TIN), and certification of information accuracy must be reported.
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