# The Public Health (Aircraft) (Amendment) (England) Regulations 2007, Regulation 21: Amendment of regulation 30 of the principal Regulations


For regulation 30(2) of the principal Regulations (surveillance) substitute—
“(2) Where a person has been placed under surveillance for plague, cholera, smallpox or viral haemorrhagic fever under regulation 20 by reason of his having come from an area infected with such a disease, the period shall be reckoned from the date of his leaving the area.”.

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Source: https://www.legislation.gov.uk/uksi/2007/1447/regulation/21 (the official version)
Page: https://openlegislation.uk/public-health-aircraft-amendment-england-regulations-2007/regulation-21
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.