Within 30 working days after receipt of a written request from an obligor, the obligor’s legal representative, the obligee, or the obligee’s legal representative, the agency shall provide an audit of all child support payments made by the obligor and received by the agency. The audit shall include the date and amount of each payment, the name of the obligee, and the total amount of arrearages of support past due and amount of unpaid penalties and interest imposed under Alaska Stat. § 25.27.020(a)(2)(B). The agency is required to provide only one audit each year for each obligee and obligor under this section.