On motion of a party made not later than 20 days after an arbitrator gives notice under section 7385(a) (relating to award), the arbitrator may correct the award:
(1) if the award has an evident mathematical miscalculation or an evident mistake in the description of a person, thing or property;
(2) (Reserved); or
(3) to clarify the award.
Cross References. Section 7387 is referred to in sections 7386, 7388, 7389 of this title.