# Council Decision of 12 December 1991 concerning the conclusion of the amendment to the Montreal Protocol on substances that deplete the ozone layer as adopted in June 1990 in London by the Parties to the Protocol (91/690/EEC), Division 3: The following paragraph shall be added to Article 1 of the Protocol:

Extent: E+W+S+N.I.

‘9. ‘Transitional substance’ means a substance in Annex C to this Protocol, whether existing alone or in a mixture. It includes the isomers of any such substance, except as may be specified in Annex C, but excludes any transitional substance or mixture which is in a manufactured product other than a container used for the transportation or storage of that substance.’

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Source: https://www.legislation.gov.uk/eudn/1991/690/annex/n1/division/1/division/B/division/3 (the official version)
Page: https://openlegislation.uk/eu-decision-1991-690/annex-n1/division-1/division-B/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.