California Rule of Court 2.251: Consent, Completion, and Proof

California Rule of Court 2.251 governs how parties deliver court documents to one another electronically in civil cases. Under the rule, any document that could be served by mail, express mail, overnight delivery, or fax may instead be served electronically under Code of Civil Procedure section 1010.6.¹ Service is complete at the moment of transmission, most response deadlines are extended by two court days, and represented parties are generally required to accept it while self-represented litigants are not.

What the Rule Covers and What It Doesn’t

Rule 2.251 is narrower than its reputation. It deals with electronic service, meaning the delivery of documents to opposing parties and other participants in a case. It does not govern electronic filing, which is the separate act of submitting documents to the court. Filing is covered by Rules 2.252 through 2.259. If your question is about getting a document to the clerk, you are in the wrong rule; if your question is about getting a document to the other side, you are in the right one.

The rule also does not override requirements for personal service. An initial summons and complaint, for example, still has to be personally served in most cases. Rule 2.251 only reaches documents that would otherwise be eligible for mail, overnight, or fax service.

Who Must Accept Electronic Service

Represented parties must accept electronic service of any document that could have been served by mail, express mail, overnight delivery, or fax.¹ If you have a lawyer, you are inside the electronic service system by default.

Self-represented litigants are treated differently. An unrepresented party may consent to electronic service but cannot be compelled to accept it.¹ This is a real protection for people without reliable internet access or the technical setup to manage electronic documents.

Courts have a separate power to order electronic filing and service in particular cases, but only in class actions, consolidated actions, coordinated proceedings, or cases designated as complex. When a court does this on its own motion, it must give notice and allow parties ten days to object.²

Even when electronic service is otherwise required, a party who shows undue hardship or significant prejudice must be excused from the requirement.² The rule does not spell out what counts, but limited technology access, disability, and inability to afford electronic systems are the kinds of circumstances the exemption contemplates. The relief is available to represented and self-represented parties alike.

How to Give Consent

If you are not already required to accept electronic service, there are two ways to consent to it:

Serve a written notice on all parties stating that you accept electronic service, and file it with the court. The notice must include the email address at which you agree to receive service.
Consent through an electronic filing service provider (EFSP). When you create an account with an EFSP, the terms of service may state that agreeing to those terms constitutes consent to electronic service. You can also file Judicial Council form EFS-005-CV, Consent to Electronic Service and Notice of Electronic Service Address, to make consent explicit.

One point to watch: an EFSP cannot condition the ability to file electronically on your consent to receive electronic service. Rule 2.255 requires providers to let you file through their platform even if you decline electronic service.³ That protection applies to consent-based service only; it does not override situations where a court or statute has made electronic service mandatory.

Once you consent and use an EFSP to serve and file documents in a case, that EFSP becomes your designated agent for receiving service in the case until you designate someone else.

When Service Is Complete

Electronic service is complete at the time of transmission.¹ You do not have to wait for the recipient to open the email, acknowledge receipt, or download the attachment. The moment the document is sent, service has happened.

That timing matters because it also sets the clock running for the recipient’s response deadlines.

The Two-Court-Day Extension

This is where mistakes are easiest to make. Electronic service does extend response deadlines, but not by the same amount as service by mail. When a document is served electronically, any period of notice or deadline to respond that is triggered by that service is extended by two court days.¹ Court days exclude weekends and court holidays. That is a shorter and differently counted extension than the five calendar days added for service by mail, and confusing one for the other can push a response outside its deadline.

Three categories of filings get no extension at all, even when the triggering document was served electronically:

A notice of intention to move for a new trial.
A notice of intention to move to vacate judgment under CCP 663a.
A notice of appeal.

These deadlines are jurisdictional. If you are preparing any of them, calculate from the date of service with no extension added.¹

Proof of Electronic Service

Every document served electronically must be accompanied by a proof of service. Judicial Council form POS-050, Proof of Electronic Service, is the form provided for this purpose.⁴ The proof must identify:

The documents that were served.
The people on whom they were served.
The electronic service address used for each recipient.
The date and time of service.
The person who performed the service.

You can perform the service yourself or have your EFSP do it. Either way, file the proof with the court. A missing or defective proof will not automatically invalidate service that actually occurred, but it makes service hard to prove if the other side disputes it later.

Related Rules You Will Encounter

Rule 2.251 handles the mechanics of service only. A document moving through the electronic system also has to meet other requirements that live in nearby rules.

Format. Filings must be in text-searchable PDF format whenever technologically feasible. Appellate Rule 8.74 sets detailed requirements on file size, page numbering, and bookmarks that many trial courts follow by analogy or local rule.⁵ Check your local court’s rules for anything additional.

Signatures. Rule 2.257 distinguishes documents signed under penalty of perjury from those that are not. For ordinary documents, the act of electronically filing is treated as the filer’s signature, typically shown by “/s/” and a typed name. For penalty-of-perjury documents, use a verifiable electronic signature, or have the declarant physically sign a printed copy that is then scanned and filed. In that second case, you must keep the wet-signed original and produce it within five business days if any party demands it.⁶

Redaction. Before anything leaves your office, redact Social Security numbers and financial account numbers down to the last four digits. Rule 1.201 puts that responsibility entirely on the filing party and the attorney; the clerk will not catch the error for you.⁷ When the court needs the full identifier, file a confidential reference list on Judicial Council form MC-120 and keep the public version redacted.

Filing receipt. When the court accepts an electronic filing, it sends back a Notice of Electronic Filing with a date and time stamp. Save it. A document received by the court between 12:00 a.m. and 11:59:59 p.m. is deemed filed on that court day if the court accepts it, which means a late-evening filing can still be timely. If a filing is rejected, the court must send notice explaining why, but a rejection does not preserve your original filing date.⁸ If the deadline is tight, file early enough to fix a rejection and resubmit.

1
California Legislative Information. California Code of Civil Procedure 1010.6 – Electronic Service
2
Judicial Branch of California. California Rules of Court 2.253 – Permissive Electronic Filing, Mandatory Electronic Filing, and Electronic Filing by Court Order
3
Judicial Branch of California. California Rules of Court 2.255 – Contracts With and Responsibilities of Electronic Filing Service Providers and Electronic Filing Managers
4
California Courts | Self Help Guide. Proof of Electronic Service (POS-050)
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Judicial Branch of California. California Rules of Court 2026 – Rule 8.74 Format of Electronic Documents
6
Judicial Branch of California. California Rules of Court 2.257 – Requirements for Signatures on Documents
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Judicial Branch of California. California Rules of Court 1.201 – Protection of Privacy
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Judicial Branch of California. California Rules of Court 2.259 – Actions by Court on Receipt of Electronic Filing