看移民法，它的規定是黨員黨籍終結必須在遞交申請的兩年或者五年。我的理解是美國的申請人遞交I30表前的兩年或者五年必須終結黨籍， 而不是受益人前往領館麵試前的兩年或者五年終結黨籍。
如果是兄弟姐妹移民，一般要等13-14年，也就是說，受益人必須在15-16年前就得退黨。
我的理解對嗎？
An immigrant may be excepted from inadmissibility under INA 212(a)(3)(D) if the immigrant can establish that:
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His or her membership in or affiliation with a proscribed organization terminated at least 2[63] or 5 years before the date of receipt of the application (if the immigrant's membership or affiliation was with the party controlling the government of a foreign state that is a totalitarian dictatorship as of such date, the immigrant must establish that his or her membership or affiliation terminated at least 5 years before the date of receipt); and
