The Hazardous and Noxious Substances Convention

The HNS Convention aims to ensure prompt and effective compensation to those who have suffered from damage to person and/or property.  This includes cost of clean up and economic losses resulting from the maritime transport of hazardous and noxious substances.

About HNS Convention


Detailed programme confirmed for HNS Workshop

Posted: 17/03/2023

A more detailed programme for the upcoming HNS workshop on 3 and 4 April 2023 has now been confirmed. Speakers from Contracting…

Read more

Upcoming HNS Workshop – States and key stakeholders invited to register now for this hybrid event

Posted: 24/02/2023

Registration remains open for the upcoming HNS workshop which will be conducted in a hybrid format, with representatives participating either in person…

Read more


Why France has opted for an online system for the annual reporting of HNS

Posted: 24/06/2020

By: Ministère de la Transition écologique et solidaire

Question: When implementing the International Convention on Liability and Compensation for Damage in Connection with the Carriage of Hazardous and Noxious Substances…

Read more