It has been affirmed by the decisions of international and national courts, bilateral and multilateral treaties, State practice, codification attempts by governmental and non-governmental bodies and the writings of jurists.
国际法庭 和国家法庭的裁决、双边和多边的条约、国家惯例、政府机构和非政府组织的法规汇编和法学家的论文，都肯定了这一点。