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The ten participating teams were Clare, Cork, Dublin, Galway, Kilkenny, Laois, Limerick, Offaly, Tipperary and Waterford who were divided into two divisions and agreed to play a four-game format whereby each team would play each of their five rivals once with two points awarded for a win and one point awarded for a drawn game. The two teams with the most points in each division at the completion of the season would play a final to decide the National Hurling League champions.