Alaska Stat. § 09.17.080
(a) In all actions involving fault of more than one person, including third-party defendants and persons who have settled or otherwise been released, the court, unless otherwise agreed by all parties, shall instruct the jury to answer special interrogatories or, if there is no jury, shall make findings, indicating
(2) the percentage of the total fault that is allocated to each claimant, defendant, third-party defendant, person who has been released from liability, or other person responsible for the damages unless the person was identified as a potentially responsible person, the person is not a person protected from a civil action under AS 09.10.055, and the parties had a sufficient opportunity to join that person in the action but chose not to; in this paragraph, “sufficient opportunity to join” means the person is