Darragh Fanning scored two tries on his European debut as Leinster extinguished Wasps' 12-point lead to make a winning start to their Champions Cup campaign.
There are referee associations in Connacht, Leinster and Munster and a referee society in Ulster:
Scrum Law Trials - The new Scrum Law trials.
Laws Of The Game - download the Laws of the game
Law Rulings - Clarifications on laws
Law Variations - age grade and sevens variations
Regulations - regulations
Equipment Approval - a guide to approved equipment