Alternative Dispute Resolution
Mar. 25, 2025
The arbitration discovery thicket of SB 940
California's new Senate Bill 940, effective January 1, 2025, expands discovery rights in arbitration, aligning them with California court procedures, but raises significant legal questions about its scope, conflicts with federal law, and the burden on arbitrators to manage increased discovery requests.





Gary Nadler
Judge (ret.), JAMS
Hon. Gary Nadler (Ret.) is a retired Sonoma County Superior Court judge and serves as an arbitrator, mediator, special master/discovery referee and neutral evaluator at JAMS.

Louise A. LaMothe
U.S. Magistrate Judge (Ret.)
Hon. Louise LaMothe (Ret.) served as settlement officer for the U.S. District Court, Central District of California; Santa Barbara Superior Court; and Los Angeles Superior Court. She is currently a full-time arbitrator and mediator.

Arbitration users in California have operated for decades under
a system, common throughout the arbitration world, in which discovery was not
expected. Some discovery rights were added, including in employment arbitrations;
however, as more disputes find their way into arbitration, litigators have
pressured the arbitration system to become more like court. A chief component
is discovery, including depositions. California Senate Bill (SB) 940, passed in
2024 and now effective, permits in California arbitrations the full discovery
allowed by California Code of Civil Procedure (CCP) §1283.08.
What is the law's scope, and what issues does it raise for arbitrators
presiding over California arbitrations?
Under SB 940, an arbitration involving a "consumer contract" (defined
as a contract prepared by a seller and
signed by a consumer for the sale or lease of goods, or for credit, for
personal services) must be arbitrated in California under California law if the
claim arises in California. And now, the consumer may also choose to litigate
the matter under the small claims procedures.
California Civil Code §§ 1799.201 and 1799.208.
The earlier version of CCP
§ 1283.05 generally permitted arbitration discovery if the
parties incorporated § 1283.05 into
their agreement, or if incorporation was implied for matters involving personal
injury or wrongful death.
SB 940 revised CCP § 1283.05 to extend these discovery rights to
all arbitration claims in California. Parties in arbitration enjoy the full
panoply of discovery as if the subject matter of the arbitration were pending
before a California Superior Court. It applies to all civil matters other than
limited civil cases. Under the revised statute, arbitrators are permitted to
issue subpoenas for discovery in any California arbitration.
The parties' agreement: The parties' arbitration
agreement continues to be the starting point in the analysis. Sometimes their
agreement simply adopts California law. In that
case, we expect California Arbitration Act (CAA) § 1283.05 to govern, along
with California substantive and procedural rules. Under this scenario, in which
the parties have chosen state law to govern, there is no federal preemption
issue. "There is no federal policy favoring arbitration under a certain set of
procedural rules...." Volt Information Sciences, Inc. v. Board of
Trustees of the Leland Stanford Junior University (1989) 489 U.S. 468 at p.
477.
The parties' arbitration agreement may adopt arbitration rules
such as those of AAA or JAMS, or it may list specific allowable discovery. If
the parties' agreement fails to mention any governing law, or if it states only
that California substantive law governs, and is silent on procedural law, does
the new California statute allowing full discovery govern?
Does the California statute supersede the arbitration agreement?
Does it matter if the parties' agreement mentions the procedural
rules of an ADR provider organization, such as JAMS or AAA? The earlier version
of CCP § 1283.05 implied discovery into the arbitration agreement for personal
injury and wrongful death cases. The new version of the statute fails to mention
the relationship of the statute and the parties' agreement. Moreover, if the
parties' agreement adopts AAA or JAMS rules, are these superseded by the new §1283.05?
Federal preemption: The most frequent statutory framework
we see in arbitration agreements references the Federal Arbitration Act. The
FAA does not provide for discovery. Rather, arbitrators have the power to
require attendance of witnesses only at evidentiary hearings. 9 U.S.C.A. § 7. No depositions of third-party witnesses are
permitted, as recent circuit court decisions have held. See, e.g., CVS
Health Corp. v. Vividus (9th Cir. 2017) 878 F.3d 703; Managed Care
Advisory Group LLC v. CIGNA Healthcare, Inc. (11th Cir. 2019) 939
F.3d 1145
If the arbitration agreement adopts the FAA, and nothing else,
preemption issues potentially arise. Under amended CCP § 1283.05, the previous
limitations precluding discovery would be abrogated for a case governed by the CAA.
However, the California Supreme Court has granted review of two cases
addressing the issue of preemption: Hernandez v. Sohnen Enterprises
(2024) 102 Cal.App.5th 222 (failure of employer to pay arbitration fees) and Hohenshelt
v. Superior Court (2024) 99
Cal.App.5th 1319 (late payment of arbitration deposits). As relevant here,
these cases address whether, when an arbitration agreement adopts the FAA, it
preempts state substantive law (including § 1283.05).
What is the reach of the new statute? Does it apply to
existing arbitrations? SB 940, filed Sept. 29, 2024, does not contain an
explicit effective date for amendments to CCP §1283.05. The statute took effect
on Jan. 1, 2025, and there is no mention of retroactivity. There is no guidance
on whether it is intended to apply to arbitrations already in progress.
Does the new statute apply to any arbitration, no matter
where sited, if connected to California?: If the
claims arose in California, or if one or more parties is domiciled in
California, an argument may be made that the California statute applies. Conflicts
are certain to arise about this if the parties' agreement provides another
state's law applies.
How the new statute burdens arbitrators: JAMS Rule 17 and
AAA Rule 23 already provide for the arbitrator to manage the exchange of
information; however, this new statutory provision gives the arbitrator power
virtually as broad as that granted to a judge in a civil action. As a result,
we envision a significant increase in party requests to the arbitrator for
discovery. The new statute provides at §1283.05
(b): "The arbitrator or arbitrators themselves shall have power, in addition to
the power of determining the merits of the arbitration, to enforce the rights,
remedies, procedures, duties, liabilities, and obligations of discovery by the
imposition of the same terms, conditions, consequences, liabilities, sanctions,
and penalties as can be or may be imposed in like circumstances in a civil
action by a superior court of this state under the provisions of this code,
except the power to order the arrest or imprisonment of a person."
Moreover, the new statute also provides in subparagraph (e):
"Depositions for discovery shall not be taken unless leave to do so is first
granted by the arbitrator or arbitrators." Arbitrators should expect that we
will be asked to permit depositions and control them under the new statute.
This tangle of issues will take some time to resolve. Stay
tuned, for there is more to come!
Disclaimer: The content is intended for general
informational purposes only and should not be construed as legal advice. If you
require legal or professional advice, please contact an attorney.
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