As used in this article, unless the context requires a different meaning: “Authority” means the Opioid Abatement Authority. “Board” means the board of directors of the Authority. “Community services board region” means a region as determined by the Department of Behavioral Health and Developmental Services for purposes of administering Chapter 5 (§ 37.2-500 et seq.) of Title 37.2. “Fund” means the Opioid Abatement Fund. “Historically economically disadvantaged community” means the same as such term is defined in § 56-576. “Local apportionment formula” means any formula submitted to the Attorney General by participating localities pursuant to the provisions of subsection B of § 2.2-507.3. “Participating locality” means any county or independent city that agrees to be bound by the terms of a settlement agreement entered into by the Attorney General relating to claims regarding the manufacturing, marketing, distribution, or sale of opioids, and that releases its own such claims. “Regional effort” means any effort involving a partnership of at least two participating localities within a community services board region.