You may check CBP web site for detail.
Xc9NM1bp= U9XOs)^ http://www.cbp.gov 6RfS_ #iT3aou The following is mentioned in U.S. Customs and Border Protection Declaration Form
Hv*+HUc(: 6 u,w Money And Other Monetary
CpU
y~ Instruments
?]\v%[ho You may bring into or take out of the country, including
C_ W%]8u by mail, as much money as you wish. However, if
Yq:+.UU it is more than $10,000, you will need to report it to
+FC+nE}O CBP. Ask the CBP officer for the Currency Reporting
n{!=gR.v. Form (FinCen 105). The penalties for non-compliance
$ VeQvm* can be severe.
:Vrj[i-{ “Money” means monetary instruments and includes U.S.
#
<5i/5& or foreign coins currently in circulation, currency, travelers’
$*j)ey> checks in any form, money orders, and negotiable
;vUw_M{P=) instruments or investment securities in bearer form.