(a) On application made within 90 days after the applicant receives notice of the award under AS 09.43.460 or within 90 days after the applicant receives notice of a modified or corrected award under AS 09.43.470, the court shall modify or correct the award if
(1) there was an evident mathematical miscalculation or an evident mistake in the description of a person, thing, or property referred to in the award;
(2) the arbitrator has made an award on a claim not submitted to the arbitrator and the award may be corrected without affecting the merits of the decision on the claims submitted; or
(3) the award is imperfect in a matter of form not affecting the merits of the decision on the claims submitted.
(b) If an application made under (a) of this section is granted, the court shall modify or correct and confirm the award as modified or corrected. Otherwise, unless an application to vacate is pending, the court shall confirm the award.
(c) An application to modify or correct an award under this section may be joined with an application to vacate the award.