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 3 — Permissive Joinder of Causes of Action, Section 427.10
(a) A plaintiff who in a complaint, alone or with coplaintiffs, alleges a cause of action against one or more defendants may unite with such cause any other causes which he has either alone or with any coplaintiffs against any of such defendants.
(b) Causes of action may be joined in a cross-complaint in accordance with Sections 428.10 and 428.30.
Notes
Allows a plaintiff who alleges a cause of action against one or more defendants to join other causes the plaintiff has, alone or with coplaintiffs, against any of those defendants. Causes of action may also be joined in a cross-complaint under the referenced cross-complaint provisions.
Use as reference
Lexinter.net | California Code, Code of Civil Procedure - CCP § 427.10 | https://laws.lexinter.net/codes/california/code-of-civil-procedure/part-2/title-6/chapter-2/article-3/section-427-10