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Service by Mail In "service by mail," someone – NOT a party to the case – must mail the documents to the other party.
Make sure service by mail is allowed before you use this method to serve your papers.
Before the court will give you permission to serve by publication, you will have to prove to the court that you tried as hard as possible to find the other side.
Every court is slightly different in what they require, but most require at least that you try to find the other side at his or her last known address or last known work, mail letters to the last known address with forwarding address requested, call the other side’s friends and family or ex-coworkers to ask about his or her whereabouts, look for the other side in the phone book for any city where he or she is likely to be, and search on the Internet.
The legal way to give formal notice is to have the other side “served” with a copy of the paperwork that you have filed with the court.
"Service of court papers" means that the other side must get copies of any paper you file with the court.
To find out exactly what your court requires you to do before you can ask for permission to do service by publication, read your court’s local rules or ask your court clerk or self-help center.
Note: If you hire a process server, give them a photo of the person they have to serve (if you have one) and a list of times and places when it will be easy to find that person.
So, for your type of case, only some of these types of service may be allowed.
The individual sections on this Online Self-Help Center will tell you what types of service are allowed in your case.
To serve by Notice and Acknowledgement of Receipt: Service by posting on the premises and mailing (for eviction cases ONLY) In eviction (unlawful detainer) cases only, a summons and complaint can be served by posting on the premises at issue in the eviction and also mailing.
Service by posting and mailing is used after several attempts to personally serve the papers have failed.