These proposed regulations will address technical amendments to regulations previously issued under chapter 4 of subtitle A (sections 1471 through 1474) of the Internal Revenue Code of 1986, commonly known as the Foreign Account Tax Compliance Act, or FATCA. In Treasury Decision 9610 (78 FR 5874), the Treasury Department (Treasury) and the IRS issued final regulations under chapter 4 regarding reporting by foreign financial institutions (FFIs) with respect to U.S. accounts, and withholding on payments to FFIs and other foreign persons. The final regulations issued in TD 9610 affect persons making certain U.S.-related payments to FFIs and other foreign entities and payments by FFIs to other persons.