Haw. Rev. Stat. § 437-14: Delivery of contract required.

In the event any person licensed according to this chapter represents a buyer in the State in purchasing or attempting to purchase a motor vehicle from or through a dealer or broker not licensed in the State (hereinafter called "nonresident") residing or doing busines without the State the person shall deliver to the buyer upon execution, a copy of the contract or agreement covering such transaction which shall include the make, model, type, year, and price of the motor vehicle, the name and address of the nonresident through whom the sale or purchase is negotiated.