You may check CBP web site for detail.
z2hc.29t 0}xFD6{X http://www.cbp.gov F]t(%{#W V-r3-b The following is mentioned in U.S. Customs and Border Protection Declaration Form
3LTcEd b2=0}~LK Money And Other Monetary
M7+h(\H]2 Instruments
?zJOh^ You may bring into or take out of the country, including
o9S+6@ by mail, as much money as you wish. However, if
,qrQ"r9 it is more than $10,000, you will need to report it to
GMZv RAui CBP. Ask the CBP officer for the Currency Reporting
9Xo[(h)5d Form (FinCen 105). The penalties for non-compliance
u% n*gcY can be severe.
*[R
eb% “Money” means monetary instruments and includes U.S.
/?1nHBYPM or foreign coins currently in circulation, currency, travelers’
^ Dt#$Z checks in any form, money orders, and negotiable
U Gpu\TB instruments or investment securities in bearer form.