(a) An Administrative Hearing Officer shall conduct a hearing petitioned for by the non-custodial parent pursuant to the Administrative Adjudication Law 5 GCA §§ 9100-9241. Issues that may be decided at the hearing shall be limited to whether: (1) the non-custodial parent is required to pay child support under a court order of support; (2) the non-custodial parent is in compliance with a court order of support; (3) payment on arrears has been established or modified in the two (2) years previous to the service of the notice of proposed action; (4) the non-custodial parent has been served with more than two (2) notices of proposed action in the past five (5) years.