# The Public Health (Ships) Regulations 1979, Regulation 23


Where on the arrival of a ship from a foreign port it appears to a customs officer, from information in the Maritime Declaration of Health or otherwise, that the ship—
(a) has during its voyage been in an infected area; or
(b) is one to which regulation 21(1) applies,
he shall direct the master to take it to a mooring station for detention there unless an authorised officer otherwise allows or directs.

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Source: https://www.legislation.gov.uk/uksi/1979/1435/regulation/23 (the official version)
Page: https://openlegislation.uk/public-health-ships-regulations-1979/regulation-23
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.