In recognition of the fact that some States may need to modernize or adjust their priority rules, article 1, paragraph 5 allows States to opt into one of the substantive law priority rules set forth in the annex.
由于认识到有些国家可能需要更新或调整其优先权规则，第1条第5款允许各国选择适用附件列出的实体法优先权规则之一。