This rule governs ferry service in Casco Bay. For purposes of this rule, ferry service means any waterborne transportation service of passengers and/or freight in Casco Bay stopping at one or more of the following islands: Chebeague, Cliff, Great Diamond, Long and Peaks; that is not charter, tour, water taxi or unscheduled freight service, as defined in Chapter 520 of the Commission's rules.
65- 407 C.M.R. ch. 510, § 1