Entry into force
Article 20
1. This Convention shall enter into force on the 90th day after the date of deposit of the 16th instrument of ratification, acceptance, approval or accession. 2. For the purposes of paragraph 1 above, any instrument deposited by a regional economic integration organisation shall not be counted as additional to those deposited by States members of such an organisation. 3. For each State or organisation referred to in Article 17 which ratifies, accepts or approves this Convention or accedes thereto after the deposit of the sixteenth instrument of ratification, acceptance, approval or accession, the Convention shall enter into force on the 90th day after the date of deposit by such State or organisation of its instrument of ratification, acceptance, approval or accession.