The RBG collects two types of harbour dues.
Harbour dues for leisure vessels, recreational vessels and historical vessels
The skipper, shipping company, owner or user of the vessel is liable for this tax. Or the person representing one of these persons.
Harbour dues regarding fixed berths
You pay these dues as a permit holder of a fixed berth at a quay.
dues for leisure vessels is measured by the length of the vessel.
The harbour dues for other vessels is measured by the surface area of the vessel. This applies to historical ships, recreational tourist vessels (commercial vessels), and home-bound leisure vessels.
No. This is not possible.