Haw. Rev. Stat. § 508D-5
(b) Upon receipt of the disclosure statement, the buyer shall have fifteen calendar days to:
(2) Decide whether to rescind the real estate purchase contract.
If the buyer decides to rescind the real estate purchase contract, the buyer shall deliver to the seller directly or through the seller's agent within the fifteen-day period written notification of the buyer's decision to rescind the real estate purchase contract. Failure to deliver the written notification to the seller within the fifteen-day period shall be deemed an acceptance of the disclosure statement. Any rescission made pursuant to this subsection shall be without loss of deposits to the buyer which deposits shall be immediately returned to the buyer.
[L 1994, c 214, pt of §2; am L 1996, c 161, §5]