# The Energy Efficiency (Northern Ireland) Order 1999, Introduction: Introductory text


10th March 1999

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Source: https://www.legislation.gov.uk/nisi/1999/659/introduction (the official version)
Page: https://openlegislation.uk/energy-efficiency-northern-ireland-order-1999/introduction
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.