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


A notice must be in writing.

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Source: https://www.legislation.gov.uk/uksi/2009/2301/schedule/5/paragraph/2 (the official version)
Page: https://openlegislation.uk/aviation-greenhouse-gas-emissions-trading-scheme-regulations-2009/schedule-5/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.