You are right in your interpretation of the rules as the are written however it does not seem to be the case.
DFO biologist are now in charge of writing the fishing regulations and specing the catch limits. Since it got turned over from the officers (enforcement) to the biologists it's caused as sorts of issue like these.
I switched to a treble stinger on my anchovy rig and the amount of bites that stick have gone way up.
Seem to effect the roll at all?