aircraft operatormeans the person who operates an aircraft at the time it performs an aviation activity or, where that person is not known or is not identified by the owner of the aircraft, the owner of the aircraft;
aviation activityhas the same meaning as in the 2012 Regulations;”
emissionshas the meaning given in Article 3(b) of Directive 2003/87/EC;”
greenhouse gas emissions permithas the same meaning as in the 2012 Regulations;
the 2012 Regulationsmeans the Greenhouse Gas Emissions Trading Scheme Regulations 2012;”
the CCS licensing regimemeans Chapter 3 of Part 1 of the Energy Act 2008 and other domestic legislation which immediately before exit day implemented Directive 2009/31/EC;”