They could have it like the AFL.
For example, the Dallas Magpies play one "Mid America Australian Football League" game a month, play the Austin Crows about once a month, and participate in 2 or 3 tournaments a season.
They could do it like that- have the "Western Rugby League" teams play each other once (one game a month), and have "metro clubs" of 7s and 9s for off weekends. There could either be a WRL finals or a "East-West" tournament to determine the champion, and the winners could be rewarded with things like births in the RFL Challenge Cup- just as France and Russia do now.