Answer:
Automated Manifest System
Explanation:
Automated Manifest System is an automatic electrical information transmission. This is handled by the U.S customs and border patrol.
It is used for electronic air manifest.
AMS is used as an Umbrella term for transmission of the electrical information.
An AMS fee has been charged. The supplier or customer will collect the fee.
Thus here participation of the conditional release authorization after the leaving foreign country and up to five days before U.S arrival.