With Terenure College slipping up, Lansdowne are the new leaders of Division 1A after coming from behind to beat St. Mary's College 16-10 on the Aviva Stadium's back pitch.
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