(2) When any claim is excepted to as provided in this section, the person desiring to establish the same shall file in said court, within 30 days after the claim is excepted to, a verified complaint as in an action at law and serve it upon the person excepting, or the person’s attorney of record, and upon the principal debtor for the claim, or the principal debtor’s attorney of record.
(3) Thereafter the cause shall proceed to final judgment between the parties as an action at law.