(a) Grounds.--Upon motion made within 90 days after the movant receives notice of the award under section 7321.20 (relating to award) or within 90 days after the movant receives notice of a modified or corrected award under section 7321.21 (relating to change of award by arbitrator), 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 upon 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) Court action.--If a motion made under subsection (a) is granted, the court shall modify or correct and confirm the award as modified or corrected. Otherwise, unless a motion to vacate is pending, the court shall confirm the award.
(c) Joinder.--A motion to modify or correct an award under this section may be joined with a motion to vacate the award under section 7321.24 (relating to vacating award).