Iowa Code § 686A.7

In any asbestos action in which damages are awarded and setoffs are permitted under applicable law, a defendant is entitled to a setoff or credit in the amount the plaintiff has been awarded from an asbestos trust identified in section 686A.6, subsection 1, and the amount of the valuation established under section 686A.6, subsection 2. If multiple defendants are found liable for damages, the court shall distribute the amount of setoff or credit proportionally between the defendants, according to the liability of each defendant.