# Building Regulations (Northern Ireland) 2000, Paragraph 3: Rule C: Alterations and extensions

Extent: N.I.
Status: prospective

In the case of an extension of a building—
(a) the plans, sections, specifications and particulars referred to in items 2, 3, 4 and 5 of Rule B in relation to the extension as if the extension was the building therein referred to; and
(b) the plans and sections as required by item 5 of Rule B of the building so far as affected by the extension,
so far as necessary to enable the district council to determine whether the proposals comply with the requirements of these regulations.

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Source: https://www.legislation.gov.uk/nisr/2000/389/schedule/2/part/A/crossheading/1/paragraph/3n3 (the official version)
Page: https://openlegislation.uk/building-regulations-northern-ireland-2000/schedule-2/part-A/crossheading-1/paragraph-3n3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.