Further research showed that the formulation of the reciprocity reservation in declarations and in implementing legislation sometimes differed, leaving unanswered the question of which text would prevail in case of conflict.
进一步研究表明，声明和执行公约的立法中对互惠保留的表述有时有所不同，没有回答发生冲突情况下哪个案文作准的问题。