Can a party serve a subpoena?
Any person who is at least 18 years old and not a party may serve a subpoena. Serving a subpoena requires delivering a copy to the named person and, if the subpoena requires that person's attendance, tendering the fees for 1 day's attendance and the mileage allowed by law.
Who can accept service of a subpoena?
 In criminal cases, the superior or agent may refuse to accept service if unable to deliver a copy to the peace officer in time to comply with the subpoena, or if service is made within five (5) days of the hearing and they are not reasonably certain they can deliver it to the peace officer. Pen.
What does it mean when you are served a subpoena?
A subpoena is an order made by a court at the request of a party to a court case that requires the recipient to either produce documents, attend court to give evidence, or both. The most common subpoena is for the production of documents. The date by which the subpoena had to be served on you.