International Rugby League is the title given to the style of Rugby League kids from Under 13's to A Grade play. Whilst for these age groups the fundamental rules stay the same including the number of tackles (6), freedom for kicking and so on, some competitions and age groups will have variations in the length of each half, the number of substitutes a side can have, and how often they are interchanged. That customisation is done by each league, and to find out more information about it, it is recommend you enquire through your local Rugby League side
13's and above