(a) Except as provided in subdivision (b), upon order of the judge of the family conciliation court, the supervising counselor of conciliation may destroy any record, paper, or document filed or kept in the office of the supervising counselor of conciliation which is more than two years old.
(b) Records described in subdivision (a) of child custody or visitation mediation may be destroyed when the minor or minors involved are 18 years of age.
(c) In the judge’s discretion, the judge of the family conciliation court may order the microfilming of any record, paper, or document described in subdivision (a) or (b).