6. If a State Party elects to make the taking of the measures referred to in paragraphs 1 and 2 of this article conditional on the existence of a relevant treaty, that State Party shall consider this Convention the necessary and sufficient treaty basis.
6. 如果某一缔约国以存在有关条约作为采取本条第1款和第2款所述措施的条件，则该缔约国应将本公约视为必要而充分的条约依据。