Here is a breakdown of the ACC which would include all the highest levels of professional, semni pro and amateur mens football currently played in Canada. The 48 teams would come from the MLS(3), NASL(2), CSL(16), PCSL(8), PDL (9), CIS(2) and Challenge cup(8).

Teams would be ranked and the tourney would be played in six rounds to determine a champion and runner up.

Rankings:
1-3: MLS clubs 4-5: NASL clubs 6-7: Current CSL champion and runner up 8: PCSL champion
9: Current PCSL runner up 10-11: Current CIS champion and runner up 12: Highest ranked PDL club
13-14: Current Challenge cup winner and runner up 15-28: Remaining CSL clubs 29-34: Remaining PCSL clubs
35-42: Remaining PDL clubs 43-48: remaining Challenge cup teams

Playdowns(All rounds are two game total goals, away rules in effect in case of ties.)

Round one: Teams ranked 17-48 playoff. 16 winners advance to round two.
Round two: 16 winners from round one playoff, 8 winners advance to round three.
Round three: 8 winners playofff against teams ranked 9-16, 8 winners advance to round four.
Round four: 8 winners playoff against teams ranked 1-8, 8 winners advance to QF.
QF: 8 winners playoff, 4 winners advance to SF
SF: 4 winners playoff, 2 winners advance to ACC Finals.
Finals: 2 winners playoff, Winner advances to CCL group play.
Runner up advances to CCL preliminary round(hopefully reinstated and CCL increased to 32 clubs)

In the event MLS, NASL, CSL, PCSL, and PDL increases the number of Canadian clubs, the lowest ranking club would be dropped from the ACC keeping it a 48 team tourney.