GKSSA – Discipline

Y1– guilty of unsporting behaviour
Y2– showed dissent by word or action
Y3– persistently infringed the Laws of the Game
Y4– delayed the restart of play
Y5– failed to respect the required distance when play was restarted with a corner kick or free kick
Y6– entered or re-entered the field of play without the referee's permission
Y7– deliberately left the field of play without the referee's permission
Y8– slide tackles or attempts to slide tackle

R1– used offensive or insulting or abusive language and/or gestures
R2– spitting at an opponent or any other person
R3– received a second caution in the same game
R4– serious foul play
R5– denied the opposing team a goal or an obvious goal-scoring opportunity by deliberately handling the ball
R6– denied an obvious goal-scoring opportunity to an opponent moving towards the player's goal by an offence punishable by a free kick or penalty kick
R7– violent conduct

For your reference, here is a link to Ontario Soccer’s policy on Discipline. (updated 2020-Dec)