Haw. Rev. Stat. § 425-19: Designation or change of registered agent.

(a) A partnership that does not already have a registered agent shall designate its registered agent by complying with the requirements of section 425R-4.

(b) A partnership may change its registered agent by complying with the requirements of section 425R-7.

(c) If the registered agent changes its name, its address, or its type or jurisdiction of organization, the agent shall comply with the requirements of section 425R-8 or 425R-9, whichever is applicable.