# Town and Country Planning Act 1971, Paragraph 4


(1) If the development was initiated in pursuance of planning permission granted subject to conditions, paragraph 2 of this Schedule shall apply as if the reference to the granting of permission unconditionally were a reference to the granting of permission subject to the like conditions.
(2) If the permission referred to in sub-paragraph (1) of this paragraph was granted subject to conditions which consisted of, or included, a requirement expressed by reference to a specified period, the reference in that sub-paragraph to the like conditions shall be construed, in relation to the condition imposing that requirement, as a reference to a condition imposing the like requirement in respect of a period of like duration beginning at the time in question.

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Source: https://www.legislation.gov.uk/ukpga/1971/78/schedule/16/paragraph/4 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-act-1971/schedule-16/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.