# Council Decision of 28 June 1984 concerning the conclusion of the Agreement for cooperation in dealing with pollution of the North Sea by oil and other harmful substances (84/358/EEC), Article 17


1. Two or more Contracting Parties may modify the common boundaries of their zones described in the Annex to this Agreement.
2. Such a modification shall enter into force for all Contracting Parties on the first day of the sixth month following the date of its communication by the Depositary Government unless, within a period of three months following that communication, a Contracting Party has expressed an objection or has requested consultation on the matter.

---
Source: https://www.legislation.gov.uk/eudn/1984/358/attachment/1/article/17 (the official version)
Page: https://openlegislation.uk/eu-decision-1984-358/attachment-1/article-17
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.