from my reading of the bill it applies to any "Vessel"
"Vessel" means every type of watercraft, other than a seaplane on the water, used or capable of being used as a means of transportation on water.
This line in the bill seems to be the one that will imact us rafters>
101 23-27-304. Aquatic invasive species fee.
I'm not a lawyer...so don't count on me for advice.