Provincial Championships format changes Leinster Championship format change A reduced amount of counties in the championship of 1940.
Munster Championship format change There is normal format of 2 Quarter-finals vs 2 Semi-finals in place.
Limerick played final match until 1943 took a 2-year break.
All Ireland semi-finals system The All-Ireland Senior Football Championship was run on a provincial basis as usual in rotation of every 3rd year, with the four winners from
Connacht,
Leinster,
Munster and
Ulster advancing to the All-Ireland semi-finals. The draw for these games was as follows: • Munster V. Ulster • Connacht V. Leinster ==Results==