How should a subpoena to testify ideally be served?

The ideal method of serving a subpoena to testify is through personally delivering a copy, phone, or mail. This approach ensures that the person being subpoenaed is directly informed of their obligation to appear in court, which is essential for legal proceedings. Personal delivery is generally the most effective method because it provides immediate knowledge to the recipient and often includes the opportunity for the process server to confirm that the subpoena was received.

Including options such as phone and mail allows for flexibility in how the subpoena is communicated, accommodating different circumstances or the availability of the individual. Receiving a subpoena via phone can serve as an immediate notification, but it is typically followed up by a written format, either in person or through mail, to ensure there is a formal record of service.

Other methods like email communication or registered mail may not meet the legal requirements set by the court for properly serving a subpoena. Registered mail may introduce delays and might not ensure that the recipient has received and acknowledged the subpoena in a timely manner. Therefore, the combination of personal delivery, phone, or mail is the most comprehensive and reliable approach.