You may check CBP web site for detail.
vrIM!~*W yeNC-U< http://www.cbp.gov QJ
s/0iw }3!.e The following is mentioned in U.S. Customs and Border Protection Declaration Form
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1,(I U(=cGA.$ Money And Other Monetary
z|SLH<~ Instruments
EkqsE$52 You may bring into or take out of the country, including
scUWI" by mail, as much money as you wish. However, if
%8+'L4 it is more than $10,000, you will need to report it to
`W[oLQ CBP. Ask the CBP officer for the Currency Reporting
"U& Form (FinCen 105). The penalties for non-compliance
]E)gMf can be severe.
ef!V EtEOv “Money” means monetary instruments and includes U.S.
8a1G0HRQ or foreign coins currently in circulation, currency, travelers’
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YZ5=Di checks in any form, money orders, and negotiable
,Tyh._sa instruments or investment securities in bearer form.