[2] The league consisted of six franchise teams representing different South African cities.
[3] Two editions were played under this format before changes were proposed to reflect the wide structural changes that were announced for South African domestic cricket in 2021, but the competition did not run in 2020 or 2021 due to the COVID-19 pandemic and was then cancelled.
[4][5] Each team played each other twice in a home-and-away round-robin format in the league phase.
[6] Six franchise teams representing different South African cities competed in the competition.
[3] These sides were loosely affiliated with the six franchise teams that played First Class and List-A cricket in the domestic circuit.