(a) Appearance by Defendant. In domestic relations matters, even though the defendant does not file an answer, notice of the time and date of the merits hearing shall be given to the defendant. If the defendant is not represented by counsel, notice as required by this rule shall be sufficient if mailed to the defendant at his last known address, by certified mail, return receipt requested. The defendant may be heard at the merits hearing on issues of custody of children, visitation, alimony, support, equitable distribution, and counsel fees. (b) Default. In domestic relations matters, the provisions of Rule 55, SCRCP, regarding orders of default shall be made in the final order issued by the family court.