The CL doesn't really mean anything for promotion/relegation either - seems more of a way to gauge the Regional QPL3's (which don't have promotion up from them) and the lower QPL2/3 metro leagues.
The Queensland Champions League actually doesn't have anything to do with the P&R Pyramid. It is restricted to the FQPL3 Regional Leagues and FQPL1 and excludes all of the SE Queensland Leagues (Metro, Sunshine Coast, Darling Downs and South Coast).
The format isn't random. The Regional Leagues are split into 2 Conferences (Northern and Central) and the participants are the previous year's Premiers of each Regional League plus the winner of that year's Regional Championship.
For this 2025 year, the Central Conference comprises the Wide Bay and Central Coast Regions (2 teams). The Northern Conference covers the Whitsunday Coast, Northern and Far North & Gulf Regions plus the Regional Champion from the previous year (4 teams).
The Northern Conference is played as a single leg knockout over 2 Rounds. The Central Conference is played over 2 Home and Away Legs.
The 2 Conference winners then play a Regional Final and the winner of that then plays the FQPL1 Premier in the Champions League Final.
I hope the attached schematic helps make sense of all the words I've written above. Apologies for being so verbose about it but someone the other day said they would like to see more detail about the Queensland Leagues so I thought this might be a good way to try and explain some of how things work in the State.
Just BTW, I have no connection in any way to Football Queensland and I don't even live there - these days I'm very happily retired in the Philippines. But I was born and grew up in Brisbane and lived there and other parts of the State for around the first 35 years of my life (I'm 77 now). But I retain an interest in football in Brisbane and also in the way the sport has been structured to try and provide meaningful competitions and pathways within a very large State.