As of Nov. 1, 2010, Secure flight Passenger Data information will be mandatory for all passengers flying to, from or within the United States.
This is a requirement of the US Transportation Security Administration (TSA), for all airlines.
Airlines have the obligation to send to US authorities, 72hrs prior flight departure ( a process which is done automatically by the system),or immediately for booking created within 72hrs, the following information for each booking on these flights eligible to the program:
Full passenger name (as it appears on the travel documents)
Date of birth
Gender
The US authorities will return to the airline a boarding status that will allow, or not, the boarding pass issuance.
it is the responsibility of carriers to collect (in DOCS SR format) and send the above passenger information.