I want to some questions.
about IATA, e-ticket?

for
ex:

1. is a e-ticket info save on IATA?
2. what is the e-ticket numering system details?
3. how much to e-ticket numbering system charge?
4. can i see my eticket information on IATA web site?
5. etc. etc.....

Please Towards show the road
for my question