California Codes, Code of Civil Procedure - CCP, Part 2 — Of Civil Actions, Title 6 — Of the Pleadings in Civil Actions, Chapter 2 — Pleadings Demanding Relief, Article 2 — Compulsory Cross-Complaints, Section 426.10
As used in this article:
(a) “Complaint” means a complaint or cross-complaint.
(b) “Plaintiff” means a person who files a complaint or cross-complaint.
(c) “Related cause of action” means a cause of action which arises out of the same transaction, occurrence, or series of transactions or occurrences as the cause of action which the plaintiff alleges in his complaint.
Notes
Defines complaint for this article to include a complaint or cross-complaint, plaintiff to mean the person filing either, and related cause of action as one arising from the same transaction, occurrence, or series as the cause alleged by the plaintiff. These definitions govern the article and state no separate filing deadline or exception.
Use as reference
Lexinter.net | California Code, Code of Civil Procedure - CCP § 426.10 | https://laws.lexinter.net/codes/california/code-of-civil-procedure/part-2/title-6/chapter-2/article-2/section-426-10