If you have any questions about the new forms, please consult your tax advisor. For additional information, visit the IRS web site at www.irs.ustreas.gov for Publication 515, Withholding of Tax on Nonresident Aliens and Foreign Corporations. Please review the following information to determine which form applies to you:

Please review the following information to determine which form applies to you:

Certificate of Foreign Status of Beneficial Owner for United States Tax Withholding. 
For use by foreign persons including non-resident individuals and non US corporations, partnerships, estates, and trusts who are the beneficial owners of the income whether or not entitled to the portfolio interest exemption or a reduced rate of withholding pursuant to a tax treaty.
W-8 BEN form

Certificate of Foreign Person's Claim for Exemption From Withholding on Income Effectively Connected With the Conduct of a Trade or Business in the United States. 
For use by foreign persons or foreign entities claiming an exemption from withholding tax on payments of US source income which is effectively connected with the conduct of a trade or business in the US. You must provide a US Taxpayer Identification Number (TIN) for this Form to be valid.
W-8 ECI form

Certificate of Foreign Government of Other Foreign Organization for United States Tax Withholding.
For use by foreign governments, international organizations, foreign central banks of issue*, foreign tax exempt organizations*, and foreign private foundations as the beneficial owner claiming an exemption from US withholding tax.
W-8 EXP form

Certificate of Foreign Intermediary, Foreign Partnership, or Certain US Branches for United States Tax Withholding. 
For use by foreign banks, corporations, partnerships, and certain US branches of foreign banks which are acting as agents on behalf of beneficial owners or other intermediaries. Certain entities will be required to provide a US Taxpayer Identification Number.
W-8 IMY form