You may check CBP web site for detail.
~ w,hJ ` a0=>@? http://www.cbp.gov 9G=H
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The following is mentioned in U.S. Customs and Border Protection Declaration Form
>nOzz0, b5.L== > Money And Other Monetary
j
^qI~|# Instruments
iDrQ4> You may bring into or take out of the country, including
! j-JMa? by mail, as much money as you wish. However, if
URb it is more than $10,000, you will need to report it to
.BjnV%l7Id CBP. Ask the CBP officer for the Currency Reporting
)W.Y{
\D0 Form (FinCen 105). The penalties for non-compliance
g&`[r6B can be severe.
TDR2){I “Money” means monetary instruments and includes U.S.
S1G3xY$0 or foreign coins currently in circulation, currency, travelers’
8PtX@s43\ checks in any form, money orders, and negotiable
Zq\Vq:MX instruments or investment securities in bearer form.