# Dangerous Substances in Harbour Areas Regulations (Northern Ireland) 1991, Part II: MATERIAL AND SIZE OF FLAG ON VESSELS WITH A MAST




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Source: https://www.legislation.gov.uk/nisr/1991/509/schedule/4/part/II (the official version)
Page: https://openlegislation.uk/dangerous-substances-in-harbour-areas-regulations-northern-ireland-1991/schedule-4/part-II
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.