# Town and Country Planning Act 1990, Paragraph 6: Pre-development biodiversity value


If—
(a) a person carries on activities on land on or after 30 January 2020 otherwise than in accordance with—
(i) planning permission, or
(ii) any other permission of a kind specified by the Secretary of State by regulations, and
(b) as a result of the activities the biodiversity value of the onsite habitat referred to in paragraph 5(1) is lower on the relevant date than it would otherwise have been,
the pre-development biodiversity value of the onsite habitat is to be taken to be its biodiversity value immediately before the carrying on of the activities.

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Source: https://www.legislation.gov.uk/ukpga/1990/8/schedule/7A/paragraph/6 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-act-1990/schedule-7A/paragraph-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.