(a) Prescription shall not run against an unrepresented estate until representation is had thereon, provided such representation commences within five years.

(b) Prescription shall not run against a joint title which cannot be severally enforced or where any of the joint owners labor under one of the disabilities specified in Code Section 44-5-170.

(c) Prescription shall not run against a party when his action, timely commenced, is involuntarily dismissed or voluntarily dismissed for the first time if he recommences the same within six months.