It was scheduled to take place in April and May 2023, although one matchday was played later due to rain, with 35 teams taking part, organised into eight regional groups.
[1][2] There was no overall winner, with Lancashire, Warwickshire, Gloucestershire, Sussex, Northamptonshire and Somerset winning their individual groups.
Teams played matches within a series of regional divisions, playing three matchdays, with most matchdays consisting of two matches between the same teams.
Scotland replacing North Representative XI was the only change from the 2022 season.
Teams equal in the standings were chosen by lot to advance to 1A Finals Day.