To join Newry Triathlon club you must have a Triathlon Ireland Training Licence for insurance. You will also need the Triathlon Ireland Race Licence if you are entering any TI races during year.
Therefore to become a Newry Triathlon Club Member and get your Triathlon Ireland Licences you can sign up on Triathlon Ireland websites Become A Member Section
Make sure you select Newry Triathlon Club from the dropdown when asked:
Do you wish to join a club or If you are a member of a club, select club?
Newry Triathlon Club
SIGN UP FOR CLUB MEMBERSHIP