 regulates the withholding of income taxes from payments of U.S. source income made to a non-U.S. person.Generally, the U.S. payor must verify the Tax Identification Number (TIN) of its payees and withhold 30% of this payment if a TIN is not presented.A §1441 Qualified Intermediary (QI) is generally a foreign bank or other foreign financial institution that signs an agreement with the Internal Revenue Service (IRS).