# Building Regulations (Northern Ireland) Order 1979, Paragraph 2


Any building bye-law in force immediately before 1st October 1973 shall only have effect in relation to—
(a) plans which, in accordance with building bye-laws, were deposited with a local authority before 1st October 1973; and
(b) work carried out in accordance with plans deposited before 1st October 1973, with or without departure or deviations from those plans; and
(c) work carried out and completed before 1st October 1973.

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Source: https://www.legislation.gov.uk/nisi/1979/1709/schedule/2/paragraph/2 (the official version)
Page: https://openlegislation.uk/building-regulations-northern-ireland-order-1979/schedule-2/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.