Haw. Rev. Stat. § 576E-15
When an administrative order establishes or modifies the amount of child support required to be paid by a party, the guidelines established under section 576D-7 shall be applied, except when exceptional circumstances warrant departure. The most current guidelines shall be used to calculate the amount of the child support obligation.
HRS § 576E-15
Fathers due process rights not violated by child support enforcement agency when it did not notify father prior to administrative hearing that the issue was to increase fathers child support obligation where, given that father was aware that the purpose of the hearing was the modification of fathers child support obligation and that, absent exceptional circumstances, the hearings officer would be bound by the amount calculated by the child support guidelines worksheet, this information was sufficient notice to father that child support amount may be reduced or increased.108 Haw. 202, 118 P.3d 1145. Whether net income earned by an adult-student-son or daughter is "exceptional circumstance", discussed.86 Haw. 368 (App.),949 P.2d 208.