4.__Commercial.__"Commercial" means for financial compensation or other remuneration.

5.__Commercial whitewater outfitter; outfitter.__"Commercial whitewater outfitter" or "outfitter" means a person who conducts commercial whitewater trips or who collects dues or fees or receives any form of compensation for providing whitewater rafting services or for operating a whitewater rafting organization.

6.__Demonstrated use.__"Demonstrated use" means for a given outfitter for a given river the average number of passengers carried on the 10 Saturdays or Sundays with greatest use during the year.

7.__Financial interest.__"Financial interest" means any voting or nonvoting security, partnership interest whether limited or general, trust interest, joint venture interest or any other beneficial interest in any form of business association.

8.__Person.__"Person" means an individual, corporation, business trust, estate, trust, partnership or association, 2 or more persons having a joint or common interest, or any other legal or commercial entity.

9.__Rapidly flowing river.__"Rapidly flowing river" means a river or stretch of a river with rapids classified as class IV or higher by the department according to the International River Classification System or a river or stretch of a river designated by the department by rule on the basis of public safety, including, but not limited to, the Kennebec River between Harris Station and West Forks and the West Branch Penobscot River between McKay Station and Pockwockamus Falls.

10.__Whitewater craft.__"Whitewater craft" means any raft, dory, bateau or similar watercraft that is used to transport passengers along rapidly flowing rivers but does not include canoes or kayaks.

11.__Whitewater guide.__"Whitewater guide" means a person who receives any remuneration for accompanying, assisting or instructing passengers on the river on whitewater trips and who holds a current whitewater guide's license.

12.__Whitewater trip.__"Whitewater trip" means a commercial effort to transport passengers by means of a whitewater craft on