enforcement actionmeans action under regulation 36, 37 or 42 of the Environmental Permitting (England and Wales) Regulations 2007 (in this subsection referred to as “the 2007 Regulations”);
nuclear sitemeans any licensed site in respect of which, or part of which— (a) a nuclear site licence is for the time being in force;
regulated facilityhas the meaning given in regulation 8 of the 2007 Regulations.”