Cal. Rules of Court, rule 8.488 · Chapter 7. Writs of Mandate, Certiorari, and Prohibition in the Supreme Court and Court of Appeal
Certificate of Interested Entities or Persons
Text — As posted by the Judicial Council of California (read October 22, 2026)
(a) Application
This rule applies in writ proceedings in criminal cases in which an entity is the defendant and in civil cases other than family, juvenile, guardianship, and conservatorship cases.
(b) Compliance with rule 8.208
Each party in a civil case and any entity that is a defendant in a criminal case must comply with the requirements of rule 8.208 concerning serving and filing a certificate of interested entities or persons.
(c) Placement of certificates
(1) The petitioner's certificate must be included in the petition.
(2) The certificates of the respondent and real party in interest must be included in their preliminary opposition or, if no such opposition is filed, in their return, if any.
(3) The certificate must appear after the cover and before the tables.
(4) If the identity of any party has not been publicly disclosed in the proceedings, the party may file an application for permission to file its certificate under seal separately from the petition, preliminary opposition, or return.
(d) Failure to file a certificate
(1) If a party fails to file a certificate as required under (b) and (c), the clerk must notify the party in writing that the party must file the certificate within 10 days after the clerk's notice is sent and that if the party fails to comply, the court may impose one of the following sanctions:
(A) If the party is the petitioner, the court may strike the petition; or
(B) If the party is the respondent or the real party in interest, the court may strike that party's document.
(2) If the party fails to file the certificate as specified in the notice under (1), the court may impose the sanctions specified in the notice.
Notes and commentary — not rule text
History
(Subd (d) amended effective January 1, 2016.)
Rule 8.488 amended effective January 1, 2016; adopted effective January 1, 2009.
Advisory Committee Comment
The Judicial Council has adopted an optional form, Certificate of Interested Entities or Persons (form APP-008), that can be used to file the certificate required by this provision.
Subdivision (a). Under rule 8.208(c), for purposes of certificates of interested entities or persons, an "entity" means a corporation, a partnership, a firm, or any other association, but does not include a governmental entity or its agencies or a natural person.
Source of truth
- Edition
- As posted by the Judicial Council of California (read October 22, 2026)
- Official file
- https://courts.ca.gov/cms/rules/index/eight/rule8_488
- Text hash
- sha256 45ad0db58f655f8c2199b6993a6850a0ba136452364cd30176c72959fae2d89e
- Composed by
- compose_crc.py 2026-10-22: the Judicial Council's rule pages read paragraph by paragraph; verify_crc.py's second reading of the Council's per-title PDFs finds every paragraph
This rule cites
Provisions in this library that the text above cites, as it prints each citation. A range cited as “ss. 61.13-61.16” links its first and last provisions.
Procedural information only. Not legal advice and not a substitute for the advice of an attorney. Confirm the current text with the official publisher before relying on it.