[4] Over the course of the season, each team must also ensure players aged 20 or under account for 10% of available playing minutes.
[5] Auckland City won the title for the third consecutive season on the final day beating Manukau United 6–1.
Both Auckland City and Eastern Suburbs completed the Northern League season undefeated.
It was only the second time a team had gone undefeated since Eastern Suburbs did so in 1965, the first season of the NRFL Premier League.
The matchday started with Bay Olympic and Manukau United in the relegation zone with Takapuna three points ahead in the last safe spot.
Takapuna, the only side to have their fate completely in their own hands, lost 3–2 at West Coast Rangers.
[10] It is Manurewa's first and West Coast Rangers second season (after relegation in 2021) in the National League.