You may check CBP web site for detail.
&4*&L.hPM^ 3\=8tg p http://www.cbp.gov ("/*k O#O~A| The following is mentioned in U.S. Customs and Border Protection Declaration Form
!P@u4FCs 1\YX| Money And Other Monetary
"EEE09~l\ Instruments
n_Um)GI> You may bring into or take out of the country, including
qjR;c&
q R by mail, as much money as you wish. However, if
C,2IET it is more than $10,000, you will need to report it to
\(T;@r CBP. Ask the CBP officer for the Currency Reporting
8g>jz
8 Form (FinCen 105). The penalties for non-compliance
D\
({]oj] can be severe.
_Fl]zs< “Money” means monetary instruments and includes U.S.
W<!q>8Xn? or foreign coins currently in circulation, currency, travelers’
-D:J$d
6R< checks in any form, money orders, and negotiable
6}iIK,Om instruments or investment securities in bearer form.