Section 407-615-2 - DEFINITIONSA. "Adjudicatory Proceeding" has the same meaning as in Chapter 110 of the Commission's Rules.B. "Consumer Owned Water Utility" or "utility" has the same meaning as "consumer-owned water utility" in 35-A M.R.S. §6101 (1-A).C. "Lead Petitioner" means, with respect to petitions for review of exemptions under Section 4(A)(1) of this Chapter, the petitioner designated as the agent for all other petitioners. In absence of such a designation by the petitioners, the person who submitted the petition or the first petitioner's name appearing on the petition will be considered the lead petitioner. The Administrative Director shall identify the lead petitioner upon receipt of the petition.D. "Petitioner" means any customer who receives water service from a consumer-owned water utility and who seeks review of an exemption granted to that consumer-owned water utility by the Commission pursuant to Section 4(A)(1) of this Chapter.65-407 C.M.R. ch. 615, § 2