Section 19-20.1-4 - Payment of fees(a) The required fees for each type of commercial services are specified in the applicable subchapter.(b) Time of payment. (1) Annual fees shall be paid annually in advance of providing or facilitating commercial services at or in public airports; and(2) Monthly fees (including percentage fees) shall be paid on or before the twentieth day of the succeeding month.(c) Any amount payable which is not paid when due shall bear interest at the rate of one percent per month or the maximum rate of interest allowable by law.(d) Payments due under this chapter shall be made at or sent to the airports division, department of transportation, Daniel K. Inouye International Airport, Honolulu, Hawaii 96819; or any of its offices located at Hilo International Airport, Hilo, Hawaii 96720; Ellison Onizuka Kona International Airport at Keahole, Kailua-Kona, Hawaii 96740; Kahului Airport, Kahului, Hawaii 96732; or Lihue Airport, Lihue, Hawaii 96766.[Eff MAY 4 2002] (Auth: HRS § 261-12) (Imp: HRS § 261-7)[Comp 8/24/2018] (Auth: HRS § 261-12) (Imp: HRS § 261-7)