California Code, Labor Code - LAB § 1165

(a) Suits for violation of contracts between an agricultural employer and an agricultural labor organization representing agricultural employees, as defined in this part, or between any such labor organizations, may be brought in any superior court having jurisdiction of the parties, without respect to the amount in controversy.

(b) Any agricultural labor organization which represents agricultural employees and any agricultural employer shall be bound by the acts of its agents.  Any such labor organization may sue or be sued as an entity and in behalf of the employees whom it represents in the courts of this state.  Any money judgment against a labor organization in a superior court shall be enforceable only against the organization as an entity and against its assets, and shall not be enforceable against any individual member or his assets.