Appointments are made by a panel of the elite referee managers from Six Nations and SANZAR sponsored competitions, and are based on a referees performance in both recent international and club matches.
The World Rugby Match Official Selection Committee, chaired by John Jeffrey, comprises former elite referees Lyndon Bray (SANZAR), Andrew Cole (SANZAR), Donal Courtney (European Professional Club Rugby), Clayton Thomas (Six Nations) and World Rugby High Performance Match Officials Manager Joël Jutge.