什么是美國稅號（tin）？ssn、ein、itin分別有什么區(qū)別
a taxpayer identification number (tin) is an identifying number used for tax purposes in the united states and in other countries under the common reporting standard. 納稅人識別號( tin ) 是根據(jù)通用報告標(biāo)準(zhǔn)在美國和其他國家/地區(qū)用于稅收目的的識別號。
in the united states it is also known as a tax identification number or federal taxpayer identification number. a tin may be assigned by the social security administration or by the internal revenue service (irs).在美國，它也被稱為稅號或聯(lián)邦納稅人識別號。tin 可由社會保障局或美國國稅局(irs) 分配。
types類型
any government-provided number that can be used in the us as a unique identifier when interacting with the irs is a tin, though none of them are referred to exclusively as a taxpayer identification number. 任何政府提供的在美國與 irs 互動時可用作唯一標(biāo)識符的號碼都是 tin，盡管它們都不是專門稱為納稅人識別號的。
a tin may be tin 可能是:
a social security number (ssn)
社會安全號碼(ssn)
an individual taxpayer identification number (itin)
個人納稅人識別號(itin)
an employer identification number (ein), also known as a fein (federal employer identification number)
雇主識別號碼(ein)，也稱為 fein
（聯(lián)邦雇主識別號碼）
an adoption taxpayer identification number, used as a temporary number for a child for whom the adopting parents cannot obtain an ssn收養(yǎng)納稅人識別號碼，用作收養(yǎng)父母無法獲得 ssn的孩子的臨時號碼
a preparer tax identification number, used by paid preparers of us tax returns
報稅人納稅識別號，供美國納稅申報表的付費報稅人使用
ssns
ssns are used by people who have or had the right to work in the united states.報稅人納稅識別號，供美國納稅申報表的付費報稅人使用
itins
itins are used by aliens who may or may not have the right to work in the us, such as aliens on temporary visas and non-resident aliens with us income.報稅人納稅識別號，供美國納稅申報表的付費報稅人使用
eins
eins are used by employers, sole proprietors, corporations, llcs, partnerships, non-profit associations, trusts, estates of decedents, government agencies, certain individuals, and other business entities.雇主、獨資經(jīng)營者、公司、有限責(zé)任公司、合伙企業(yè)、非營利協(xié)會、信托、死者遺產(chǎn)、政府機(jī)構(gòu)、某些個人和其他商業(yè)實體使用 ein。