You may check CBP web site for detail.
eQvg7
aO; ]]j;/TiG http://www.cbp.gov rk)`\=No $
o#V# The following is mentioned in U.S. Customs and Border Protection Declaration Form
e64 ^ChCoV ROZF)|l Money And Other Monetary
w.-!UD9/.x Instruments
-RK- Fu<e You may bring into or take out of the country, including
J!7MZLb by mail, as much money as you wish. However, if
FN) $0 it is more than $10,000, you will need to report it to
9k[9P;"F: CBP. Ask the CBP officer for the Currency Reporting
BJo*'US-Q Form (FinCen 105). The penalties for non-compliance
GNJj=1Lsd can be severe.
LB?u8>a' I “Money” means monetary instruments and includes U.S.
^L&iR0 or foreign coins currently in circulation, currency, travelers’
]:/Q]n^ checks in any form, money orders, and negotiable
MR.'t9m2L instruments or investment securities in bearer form.