 There is automatic Promotion/Relegation between the two tiers and also "crossover" matches, as well as full Round Robin Matches within each tier.The Heartland Championship is also split into two tiers after pool play with the top tier playing for the Meads Cup and bottom tier playing for the Lochore Cup.Currently, all 26 of New Zealand's Provincial Unions participate in either the Mitre 10 Cup or Heartland Championship.