2021 GAA Congress

[4][9] Four days later, the Club Players Association announced that it had voted to dissolve itself as it had achieved the objective it had been campaigning for since 2017.

[10][11] A so-called "sin-bin" to counter cynical play was introduced for a trial period in hurling, though representatives from Galway and Limerick opposed.

[18] Any effort to distract an opponent with the wave of a hurley or arm as he sets himself to take a puck-out or kick-out was made a foul.

[18] A player called up to his county team was required for the first time to have taken a special anti-doping course within the previous year or he would be suspended for one game.

[4] For the first time, teams were permitted to field 13 players at the beginning of a game's second half without being obliged to forfeit the match.