# Fire Certificates (Special Premises) Regulations (Northern Ireland) 1991, Paragraph 22


Every window, door or other exit affording a means of escape from the building or part of the building in case of fire or giving access thereto, other than the means of exit in ordinary use, is distinctively and conspicuously marked by a notice of adequate size.

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Source: https://www.legislation.gov.uk/nisr/1991/446/schedule/1/paragraph/22 (the official version)
Page: https://openlegislation.uk/fire-certificates-special-premises-regulations-northern-ireland-1991/schedule-1/paragraph-22
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.