You may check CBP web site for detail.
6I,4 6 XZ- f+j-M|A http://www.cbp.gov QR]61v:` p:q?8+W-r The following is mentioned in U.S. Customs and Border Protection Declaration Form
]0&ExD\4 !BikqTM Money And Other Monetary
b~<Tgo_/jf Instruments
mYiIwm1cb( You may bring into or take out of the country, including
? {vY3~ by mail, as much money as you wish. However, if
MuCnBx it is more than $10,000, you will need to report it to
8.R~Ys* CBP. Ask the CBP officer for the Currency Reporting
|FrZ,(\ Form (FinCen 105). The penalties for non-compliance
{]=oOy1 can be severe.
YsXf+_._ “Money” means monetary instruments and includes U.S.
'Xw>?[BB or foreign coins currently in circulation, currency, travelers’
p:9^46N@ checks in any form, money orders, and negotiable
@&LtIN# instruments or investment securities in bearer form.