The person who signs a W-9 must be a U.S. person, an individual who is a U.S. citizen or a U.S. resident alien.
All US residents and citizens, credit card holders, and those with green cards must complete Form W-9. If you're a foreign individual or entity, you'll need to complete a W-8.
Use the address you'll ultimately use to file taxes. Some companies freak out when they see a foreign address, and then they want you to fill out a W8-BEN. Don't let them pressure you into filling out the W8BEN … if you are a US citizen, you are correct in using the W9 form, no matter where you live in the world.
For U.S. citizens living outside the U.S. you will enter your INTERNATIONAL ADDRESS on the W9. You'll need to leave the country blank so that it will save. Don't worry! These forms will not be mailed.
If the owner of the disregarded entity is a foreign person, the owner must complete an appropriate Form W-8 instead of a Form W-9.
Only US-based companies need to collect Forms W-8 or W-9. If a company is based outside of the US, there's no need to collect them. The tax compliance matter still needs to be handled, but it's going to be ing to the laws of the country where the company is located.
Foreign vendors do not complete the Substitute Form W-9; foreign persons or entities must submit one of five available forms.
Do Non-US Companies Need W-9 and W-8 Forms? Foreign individuals and entities that don't reside in the U.S. don't need to file a W-9 form. The IRS, however, requires you receive a W-8 form from each foreign individual or company you conduct business with. Foreign aliens who are US residents will need to file a W-9.
Form W9 doesn't expire and is valid as long as the information it contains is correct. W-8BEN, W-8BEN-E, and W-8ECI forms are usually valid for three years or as long as the forms contain correct information. W-8EXP and W-8IMY are usually valid indefinitely provided that the information doesn't change.
Give Form W-8 BEN to the withholding agent or payer if you are a foreign person and you are the beneficial owner of an amount subject to withholding. Submit Form W-8 BEN when requested by the withholding agent or payer whether or not you are claiming a reduced rate of, or exemption from, withholding.