Fireworks are guaranteed in Friday night's Cork derby between Highfield and Sunday's Well, while struggling Cashel and Belfast Harlequins are hoping to upset the form book against high-flying Banbridge and Blackrock respectively.
These three documents outline the variations in the application of the laws of rugby at the different age grades of the game in Ireland.
Mens Game - Variations (including Senior, Junior 1, Junior 2 and Under 20s)
Women's Game (including all levels of the women's game)
Age Grade Club Rugby (including Age Grade Schools, Age Grade Clubs and Mini)