Several years back there was a publicserviceannouncement that ran on television.
几年前，在电视上有个公益广告。
2
The reasons for service by publicannouncement and the process gone through shall be recorded in the case files.
公告送达，应当在案卷中记明原因和经过。
3
By publicannouncement if none of the above-mentioned methods can be employed and the service shall be considered completed in six months after the date when the publicannouncement was issued.