Energy Charter Treaty

166 Article 20: Withdrawal (1) At any timeafter thisProtocol hasentered into force for aContractingParty, that Contracting Party may give written notification to the Depositary of its withdrawal from the Protocol. (2) Any Contracting Party which withdraws from the Energy Charter Treaty shall be considered as also having withdrawn from this Protocol. (3) The effective date of withdrawal under paragraph (1) shall be ninety days after receipt of notification by the Depositary. The effective date of withdrawal under paragraph (2) shall be the same as the effective date of withdrawal from the Energy Charter Treaty. Article 21: Depositary The Government of the Portuguese Republic shall be the Depositary of this Protocol. Article 22: Authentic Texts In witness whereof the undersigned, being duly authorised to that effect, have signed this Protocol in English, French, German, Italian, Russian and Spanish, of which every text is equally authentic, in one original, which will be deposited with the Government of the Portuguese Republic. Done at Lisbon on the seventeenth day of December in the year one thousand nine hundred and ninety-four. 173 Annex: Illustrative and Non-Exhaustive List of Possible Areas of Cooperation pursuant to Article 9 Development of energy efficiency programmes, including identifying energy efficiency barriers and potentials, and the development of energy labelling and efficiency standards; Assessment of the Environmental Impacts of the Energy Cycle; Development of economic, legislative and regulatory measures; 173 For signatories: http://www.energycharter.org/.