Canterbury hold the provincial silverware after a stellar 2017 season when they claimed a maiden Farah Palmer Cup title and locked away the JJ Stewart Trophy.
They will be joined in the premiership division by last year's championship winners Bay of Plenty, along with Counties Manukau, Waikato, Auckland and Manawatu.
Wellington, Otago, North Harbour, Tasman, Hawke's Bay and Taranaki make up the championship.
Teams play each opposition in their own division and one cross over match throughout the six week round robin.
Bay of Plenty Volcanix Mitre 10 Farah Palmer Cup Draw:
Week 1: v Canterbury at Tauranga Domain, Tauranga – Saturday September 1, 11.35am
Week 2: v Waikato at Matata – Saturday September 8, 2.45pm
Week 3: v Manawatu at Central Energy Trust Arena – Saturday September 15, 1.00pm
Week 4: v Taranaki at Rotorua International Stadium, Rotorua – Friday September 21, 5.05pm
Week 5: v Auckland at TBC – Friday September 28, 5.05pm
Week 6: v Counties Manukau at TBC – Saturday October 6, TBC
Semi Finals: Saturday October 13
Finals: Saturday October 20