Right to intervene in cases of interpretation or application
۱. Whenever the interpretation or application of this Convention is in question, the Registrar shall notify all States Parties forthwith.
۲. Whenever pursuant to article ۲۱ or ۲۲ of this Annex the interpretation or application of an international agreement is in question, the Registrar shall notify all the parties to the agreement.
۳. Every party referred to in paragraphs ۱ and ۲ has the right to intervene in the proceedings; if it uses this right, the interpretation given by the judgment will be equally binding upon it.