CA Gov't Code Section 8670.69

Actions on behalf of the state or any other public entity to enforce Section 8670.61.5 through injunctive relief, declaratory relief, and all costs of the action, may be brought by any person in the public interest if both of the following occur:

(a)

The action is commenced more than 60 days after the person has given notice of the violation which is the subject of the action to the Attorney General and the district attorney and city attorney in whose jurisdiction the violation is alleged to occur and to the alleged violator.

(b)

No action has been commenced against the violation, or if commenced, is not being diligently prosecuted by the Attorney General, or any district attorney, city attorney or other prosecutor.

(c)

This section applies to any actions brought with respect to any violations which have occurred, continue to occur or threaten to occur.