We had the transom re-gel coated a few years ago, and they coated over the HIN. Where else is the HIN located? I was under the impression that the HIN is located in multiple locations, but I’ve only seen it on the transom.
If you just need the HIN it should be on registration or documentation, the original bill of sale, insurance policy and a rubbing should be in the purchase survey.
I have read that boats should be a second HIN on the interior but have never found one.
Perhaps a call to Paul Dennis might provide more information.
I’ve been told to look in the v-berth area and the anchor locker.