It was known for sponsorship reasons as the TG4 All-Ireland Senior Ladies' Football Championship.
[4] Connacht, Leinster, Munster and Ulster each organise their provincial championship.
The provincial championship winners are exempt from relegation even if they finish bottom of their group.
The losers of the relegation play-offs play in next year's intermediate championship.
Tipperary are relegated to the All-Ireland Intermediate Ladies' Football Championship for 2019.