"I have provided or will provide a statement that identifies those notional principal contracts from which the income is not effectively connected with the conduct of a trade or business in the United States. I agree to update this statement as required. 請問此選項是否需要勾選？ 此選項的說明如下 "If you check this box, you must provide the withholding agent with the required statement for income from a notional principal contract that is to be treated as income not effectively connected with the conduct of a trade or business in the United States. You should update the statement as often as necessary. A new Form W-8BEN is not required for each update provided the form otherwise remains valid." 真是有看沒有懂, 還請有經驗的人釋疑了, 謝謝！ --

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