1334 ) is amended by adding at the end the following: (k) Artificial reefs (1) Definitions In this subsection: (A) Administrator The term Administrator means the Under Secretary of Commerce for Oceans and Atmosphere in the Under Secretary’s capacity as Administrator of the National Oceanic and Atmospheric Administration. (B) Decommissioning The term decommissioning means ending oil, gas, or sulphur operations on an offshore lease, right-of-way, or right-of-use and easement and returning the area subject to such lease, right-of-way, or right-of-use and easement to a condition that complies with applicable law, including by removing caissons and idle structures. (C) Established reef ecosystem The term established reef ecosystem means an area with identified reef-associated species, including species of corals, crustaceans, or fish that are managed under— (i) a fishery management plan of the National Oceanic and Atmospheric Administration