關於「1042-s due date 2021」標籤，搜尋引擎有相關的訊息討論：

[PDF] 2021 Instructions for Form 1042-S - IRS2021年2月19日 · 2021. Instructions for Form 1042-S. Foreign Person's U.S. Source Income Subject to Withholding. Department of the Treasury.Discussion of Form 1042 and Form 1042S and Form 1042T - IRSPayments to foreign sellers of certain