What kinda rules are we talking about? I've only done ~36 hour trips.
I think the term "rules" may not be the best in this case. Maybe a better term would be "dos and don'ts". Mainly referring to general behavior around the boat and courtesy toward fellow fishers. I would imagine the same "dos and don'ts" that would apply to 36 hour trips would apply here.
PM me if you need further clarification.