In 2007 the IRFU agreed that the structure of the All-Ireland League would remain as three divisions with 16 clubs each for seasons 2008–09 and 2009–10. In 2009–10, division 1 was split into 1A and 1B with eight teams in each as a trial and then continued in season 2010–11.
The IRFU decided in 2007 that the All-Ireland League would retain its current three-division setup, consisting of 16 clubs each for seasons 2008–09 and 2009–10. Division 1 was experimented with as separate 1A and 1B divisions in 2009–10 before returning to its original format in season 2010–11.