根据美国海关和边境保护局（U.S. Customs and Border Protection）政策，带出或带进美国的现金数量没有任何限制；尽管如此，如果个人或多人一起旅行，入境时携带的现金和金融票据超过10,000美元，必须进行申报，填写FinCEN 105表。

       此外，如果多人或家庭共同出行，携带现金超过10,000美元，不能分开携带来规避申报。

       举例来说，如果一个人携带了5,000美元现金，而其他人携带了6,000美元，他们携带的现金总数就是11,000美元，那么，他们就必须在FinCEN 105表上申报；如果个人或家庭携带的金融票据超过10,000美元，但没有进行申报，那么，他们的这些钱可能会被没收，还可能会受到民事或行事处罚。

       旅客出现前或过海关时，都可以拿到FinCEN 105表的；如果需要帮助，海关工作人员也会帮着填写这个表的。

       资料来源：美国海关和边境保护局

       政策原文：

       How much currency / money / monetary instruments can I bring into the U.S.?

       There is no limit on the amount of money that can be taken out of or brought into the United States. However, if a person or persons traveling together and   filing a joint declaration (CBP Form 6059-B) have $10,000 or more in currency or negotiable monetary instruments, they must fill out a "Report of International Transportation of Currency and Monetary Instruments" FinCEN 105 (former CF 4790).

       Please be aware, if persons/family members traveling together have $10,000 or more, they cannot divide the currency between each other to avoid declaring the currency.

       For example, if one person is carrying $5,000 and the other has $6,000, they have a total of $11, 000 in their possession and must report it on a FinCEN 105. If a person or family fails to declare their monetary instruments in amounts of over $10,000, their monetary instrument(s) may be subject to forfeiture and could result in civil and or criminal penalties.

       The FinCEN 105 can be obtained prior to traveling or when going through CBP. If assistance is required, a Customs and Border Protection (CBP) Officer can help with filling out the form.

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