translate English to French: The designation of a given Contracting Party is made under that treaty (Agreement or Protocol) which is common to the designated Contracting Party and the Contracting Party whose Office is the Office of origin.
La désignation d’une Partie contractante est faite en vertu de l’instrument (Arrangement ou Protocole) commun à la Partie contractante désignée et à la Partie contractante dont l’Office est l’Office d’origine.