# The Airport Charges Regulations 2011, Regulation 4: Regulated airports


(1) An airport is a regulated airport during a year if more than five million passenger movements took place at the airport in the year but one preceding that year.
(2) The fact that an airport ceases to be a regulated airport does not affect any rights or liabilities accruing by virtue of these Regulations before the airport ceased to be such an airport.

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Source: https://www.legislation.gov.uk/uksi/2011/2491/regulation/4 (the official version)
Page: https://openlegislation.uk/airport-charges-regulations-2011/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.