Article 53 - Exceptional powers

The Harbour Master may forego the application of some of the previous provisions in respect of particular ships or persons where public interest so requires.

Article 54 - Additional measures

The Harbour Master may impose safety measures or additional restrictions for the protection and safety of navigation, ships, crews, installations and personnel as he may deem necessary.  He shall communicate such measures in writing to ships’ Masters and other responsible persons who shall be required to comply therewith.