1. (a) Unless a specific method of service is prescribed by statute or this article, service may be made by any method authorized under the California Code of Civil Procedure or by any of the means described below:

   1. (1) For service by personal delivery, service is complete when the document is handed to an individual at least 18 years old at the residence or business of the person being served.
   2. (2) For service by first-class, registered, or certified mail, service is complete at the time the document is deposited in the mail with postage prepaid to be sent to the recipient's last known address.
   3. (3) For service by overnight delivery, service is complete at the time the document is deposited with the express service carrier to be sent to the recipient's last known address.
   4. (4) For electronic service, service is complete when the document is sent in portable document format (PDF) to the e-mail address provided by the recipient, who consented to electronic service. The e-mail must include the contact information of the sender, identify the case, and briefly describe the attached document in the subject line or body. The total size of a single e-mail and its attachments must not exceed 25 megabytes.
2. (b) Parties who consent to electronic service are responsible for monitoring their e-mail and notifying the CHO and all other parties in writing if they revoke their consent.
3. (c) Service on a party appearing through a representative must be made on the representative.
4. (d) Actual receipt of a document waives any claim of defective service, except for claims of late service.

Note: Authority cited: Section 11400.20, Government Code; and Sections 14536 and 40502, Public Resources Code. Reference: Sections 11400.20 and 11440.20, Government Code.

History

1. New section filed 5-12-2026; operative 7-1-2026 (Register 2026, No. 20).