Haw. Rev. Stat. § 412:11-104: Service of process.

Every financial institution holding company shall designate in its registration statement the name and address of an agent in this State who is authorized to receive service of process and any notices in behalf of the holding company. Service may be made on a financial institution holding company by leaving a copy of the process at the office of the appointed agent in this State. If such person is not available or refuses to accept service or notice, the service or notice may be served upon any officer or manager of the financial institution subsidiary located in this State.