House committee substitute makes the following changes to the 1st edition. Amends GS 7A-38.7 to require that prior to mediation, (1) the parties be notified of the dispute resolution fee for cases resolved in mediation and (2) the fee be paid as part of any mediation that results in dismissal. Clarifies that the fee that must be paid in a criminal case that is resolved through referral to a community mediation center is the dispute resolution fee. Provides that this fee must be paid within 45 days of the completion of mediation (was, within 60 days of the referral to mediation).

Amends GS 50-13.4(c1) to provide that the Conference of Chief District Judges' authority to prescribe uniform statewide presumptive guidelines for computing child support obligations also extends to the computation of retroactive child support obligations. Makes a conforming change to the bill's long title.