# The Air Navigation (Fourth Amendment) Order 1999, Article 1: Citation and Commencement


This Order may be cited as the Air Navigation (Fourth Amendment) Order 1999 and shall come into force on 14th May 1999.

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Source: https://www.legislation.gov.uk/uksi/1999/1123/article/1 (the official version)
Page: https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.