Personal service is required. (CCP 2020.220)
If the subpoena is for personal records of a consumer, the service of the deposition subpoena shall be accompanied either by a copy of the proof of service of the Notice of Privacy Rights or by the consumer’s written authorization to release personal records. (CCP 1985.3, 2020.030)
Service of a deposition subpoena shall be effected a sufficient time in advance of the deposition to provide the deponent a reasonable opportunity to locate and produce any designated business records, documents, and tangible things. Any person may serve the subpoena by personal delivery to a natural person witness or to any officer, director, custodian of records, agent or employee authorized by the organization to accept service of a subpoena. (CCP 2020.220)