That's sort of the problem. You have people on this side of the fence and people on that side of the fence. Both have a very specific thing they aren't willing to move away from because they believe it's essential. No compromise, no league.
Anyway, the process of WW claims, FA signings, trades, etc, etc, will be what puts teams out of compliance. My proposal, as someone who isn't interested in being in the world, provides 3 simple rules. Easy to understand and easy to monitor. And I have no skin in the game so it's unbiased.