For the 2023 season, players between the ages of 18 and 23 as of the end of the calendar year (December 31, 2023) are eligible for registration and full participation in the League.
o For returning 23-year-old players, they may only register with the club they were registered with as a 22 year old.
o For new 23-year-old players, they may register with any team, unless the player was registered in the CJFL/U-sports or equivalent as a 22 year old. Former CJFL/U-sports or equivalent players can not register as a 23-year-old unless they player for a MMJFL team as a as 22 year old.

For 2023, the players who are eligible are those born in 2005, 2004, 2003, 2002, 2001, 2000.