if the whereabouts of the person to whom the thing seized should be returned are unknown or it is impossible to return the thing because of the occurrence of any other event a notice shall be published
应当返还被扣押物的人下落不明或者因发生其他事由无法返还的，应当公告
以上为机器翻译结果，长、整句建议使用 人工翻译 。