Haw. Rev. Stat. § 467B-16
(c) A charitable organization, professional fundraising counsel, or professional solicitor that is required to be registered under this chapter and that has its principal place of business within this State, and does not have a registered agent with the department of commerce and consumer affairs, may be served with a subpoena, summons, or other court process by personal service within this State. If personal service within this State cannot be made, substituted service may be made by any of the following methods:
[L 2011, c 40, pt of §1]