33-996. Joinder of persons claiming liens; claimant as party defendant; intervention Lienors not contesting the claims of each other may join as plaintiffs, and when separate actions are commenced the court may consolidate them, and make all persons having claims filed parties to the action. Persons claiming liens who fail or refuse to become parties plaintiff shall be made parties defendant, and those not made a party, may, at any time before final hearing, intervene.
Arizona Legal Code