# The Aviation Greenhouse Gas Emissions Trading Scheme Regulations 2009, Paragraph 2


(1) At least 21 days before applying to the court the regulator must, unless it is impracticable to so do, serve a notice in accordance with paragraph 4 on—
(a) the person in whose name the aircraft is registered;
(b) the person, if any, who appears to the regulator to be the owner of the aircraft;
(c) any person who appears to the regulator to be a charterer of the aircraft whether or not by demise;
(d) any person who appears to the regulator to be the operator of the aircraft;
(e) any person who is registered as a mortgagee of the aircraft under an Order in Council made under section 86 of the Civil Aviation Act 1982 or who appears to the regulator to be a mortgagee of the aircraft under the law of any country other than the United Kingdom;
(f) any other person who appears to the regulator to have a proprietary interest in the aircraft.
(2) Where a person who has been served with a notice in accordance with sub-paragraph (1) informs the regulator within 14 days of the service of the notice of the person's desire to become a party to the proceedings the regulator must make that person a party to the application.

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Source: https://www.legislation.gov.uk/uksi/2009/2301/schedule/1/paragraph/2 (the official version)
Page: https://openlegislation.uk/aviation-greenhouse-gas-emissions-trading-scheme-regulations-2009/schedule-1/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.