Get Form W-9 - Mass.gov

Filling out Form W-9 is essential for providing your taxpayer identification number (TIN) to the requester accurately. This guide will walk you through each section and field of the form, ensuring a smooth process for completion.

Follow the steps to accurately complete the Form W-9.

1. Press the ‘Get Form’ button to access the form and open it in your preferred editor.
2. Begin filling out the form by entering your name as it appears on your income tax return in the designated field.
3. If your business name differs from your personal name, please fill in that section as well.
4. Check the appropriate box that best describes your tax classification: Individual/Sole proprietor, Corporation, Partnership, Limited liability company, or Other. If selecting Limited liability company, specify the tax classification (D, C, P).
5. Fill in your address including the number, street, and any apartment or suite number.
6. The requester’s name and address is optional; fill it in if necessary.
7. Provide your city, state, and ZIP code.
8. If applicable, list any account number(s) that relate to the requester.
9. In Part I, enter your Taxpayer Identification Number (TIN). For individuals, this is your social security number (SSN). For other entities, provide your employer identification number (EIN).
10. In Part II, certify your TIN and confirm you are not subject to backup withholding and that you are a U.S. citizen or a U.S. person. Be sure to cross out item 2 if you are subject to backup withholding.
11. Finally, sign and date the form. Ensure your signature is that of a U.S. person.
12. Once completed, you can save any changes, download, print, or share the form as needed.

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