As the customary law of war applies to cases of international armed conflict and to the forcible occupation of enemy territory generally as well as to declared war in its strict sense, a declaration of war is not an essential condition of the application
As the customary law of war applies to cases of international armed conflict and to the forcible occupation of enemy territory generally as well as to declared war in its strict sense, a declaration of war is not an essential condition of the application
战时国际法之惯例法适用于国际武装冲突，及强制性占领敌方领土和已经宣战之情况，但公告宣战并非适用战时国际法的主要条件。