GBNL Competition Finals format will be determined by the number of teams in a division.
For divisions with 6 teams - Opens (all), 23 years Div 2, 16 years Div 3:
Rounds: 15
Team in first position following fixture rounds proceeds to grand final;
Preliminary final: 2 v 3 (winner proceeds to grand final and loser is eliminated);
Grand final: 1 v winner of preliminary final.
For divisions with 7 or more teams - 23 years Div 1, 18 years Div 1 & 2, 16 years Div 1 & 2:
Rounds: 14
Semi-finals: 1 v 2 (winner proceeds to grand final) and 3 v 4 (loser is eliminated);
Preliminary final: loser of 1 v 2 plays winner of 3 v 4 (winner proceeds to grand final
and loser is eliminated);
Grand final: winner of semi-final 1 (1 v 2) v winner of preliminary final.