Those covered by Maritime Rule 25 must keep their charts and nautical publications up-to-date, but it is a good practice even if you are not covered by this law.
We recommend the British Admiralty publication "How to Keep your Admiralty Charts Up-to-Date" (NP294) for instructions on applying Notices to Mariners corrections to nautical charts. This publication is available for purchase in New Zealand from the Admiralty Chart Agent, Trans Pacific Marine Ltd.
For more information about Maritime Rule 25 go to the Maritime New Zealand website.