# The Air Navigation Order 2016, Paragraph 4


If not registered in the United Kingdom—
(a) the aircraft must be marked in a manner approved by the CAA for the purposes of these conditions; and
(b) articles 67, 79, 226, 229 and 235 must be complied with in relation to the aircraft as if it were registered in the United Kingdom.

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Source: https://www.legislation.gov.uk/uksi/2016/765/schedule/3/part/1/chapter/2/paragraph/4 (the official version)
Page: https://openlegislation.uk/air-navigation-order-2016/schedule-3/part-1/chapter-2/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.