Artikel 6

1. This Protocol shall enter into force one month after the date on which two Contracting Parties to the Convention shall have become Parties to this Protocol in accordance with the provisions of Article 5.
2. As regards any Contracting Party to the Convention who shall subsequently sign this Protocol without reservation in respect of ratification, acceptance or approval, or who shall ratify, accept or approve it, this Protocol shall enter into force one month after the date of such signature or after the date of deposit of the instrument of ratification, acceptance or approval.