When a carrier's certificate can be taken away

Any certificate of a carrier issued under this division may be suspended or revoked only for any of the following causes: (1) The failure of the carrier to comply with the terms and conditions of its certificate. (2) The discontinuance by the carrier of the business of transporting passengers as a common carrier of passengers operating upon and using the public highways for a period of thirty consecutive days or more; provided that this paragraph shall not prevent the commission from altering or amending any certificate by reducing the service required thereunder when the discontinuance of the business relates only to one or more but less than all of the vehicles operated by the carrier. (3) The conviction of any driver of a vehicle operated by a certificated carrier of the charge of driving while intoxicated or under the influence of intoxicating liquor or of violating chapter 329 or chapter 281, Hawai‘i Revised Statutes. (4) The wilful refusal of the owner of a bus to pay for use of parking area in the bus terminal as provided in division 5 of this article. (5) The failure of the carrier to comply with this division and any lawful order of the commission.