You may check CBP web site for detail.
}QN1|mP2 %oF}HF. http://www.cbp.gov +M./@U*g c#XXp"7k2 The following is mentioned in U.S. Customs and Border Protection Declaration Form
FTH|9OP
.S!mf Money And Other Monetary
!Xh=k36 Instruments
tGD6AI1"I You may bring into or take out of the country, including
#9B)Xx!g by mail, as much money as you wish. However, if
J; 3{3 it is more than $10,000, you will need to report it to
O%Scjm-^X CBP. Ask the CBP officer for the Currency Reporting
y_'Ub{w Form (FinCen 105). The penalties for non-compliance
LSm$dK can be severe.
.sxcCrQE “Money” means monetary instruments and includes U.S.
O)C\vF# or foreign coins currently in circulation, currency, travelers’
zE336 checks in any form, money orders, and negotiable
hP=WFD& instruments or investment securities in bearer form.