Artikel 31

1. At any time after three years from the date on which this Convention has come into force with respect to a Party, that Party may withdraw from this Convention by giving written notification to the Depositary. Any such withdrawal shall take effect on the ninetieth day after the date of the receipt of the notification by the Depositary.
2. Any such withdrawal shall not affect the application of Article 4 to an activity in respect of which a notification has been made pursuant to Article 4, paragraph 1, or a request for discussions has been made pursuant to Article 4, paragraph 2.