In order to don't fail the application you must follow the requirements:
1) You must read the rules and try your best to follow them on forum/servers!
2) You must have played at least 30 hours on the server/s!
3) While making the application your steam profile has to be fully on public view until the application is approved or declined!
4) You must have at least 6 months on your steam account!
5) You must have at least 500 hours played on csgo!
6) The minimum age to apply is 16 years.