In order to safeguard life, health, and property, no person except those exempted by sections 464-3 and 464-5 shall practice professional engineering, architecture, land surveying or landscape architecture in the State unless the person is duly licensed under this chapter.
HRS § 464-2
Contract made by unregistered architect, although illegal, is not necessarily void. 57 H. 124, 551 P.2d 525.