It involved the top fourteen provincial rugby unions of New Zealand, which – under a new format introduced in 2022 – all played for the same title.

Likewise, the teams that finished 2nd, 4th, 6th, 8th, 10th, 12th and 14th will also play each other as well as four cross-over games against the provinces that were ranked 1st, 3rd, 5th, 7th, 9th, 11th or 13th at the end of the previous season.

[5] If two or more provincial teams finish with an equal number of competition points, the following tiebreaker rules apply.

If three or more unions are tied and they have all played each other, the team with most competition points in that year against the other tied unions is ranked higher; if they have not all played each other, the team with the biggest points difference in the round robin is ranked higher.

Every home game during the regular season played by the union that holds the Ranfurly Shield is a mandartory challenge match.

For each round of the regular season, their cumulative points total is shown with the overall log position in brackets.

For the 2023 pre-season, Wellington accepted Ranfurly Shield challenges from Horowhenua-Kapiti and 2022 Meads Cup winners South Canterbury.