關於「IRS number」標籤，搜尋引擎有相關的訊息討論：

納稅人識別號碼(TIN) - 報稅 - IRSwww.irs.gov › international-taxpayers › taxpayer-identification-numbers-tin個人納稅識別號碼- 報稅 - IRSwww.irs.gov › individuals › individual-taxpayer-identification-number雇主身份識別號碼(EIN) - IRSwww.irs.gov › small-businesses-self-employed › employer-id-numbers[PDF] Re