The HNS convention - Why it is needed
The transport of hazardous and noxious substances (HNS) by sea is a vital trade. Chemicals and other products underpin many manufacturing processes and IMO regulations ensure their safe transport. However, incidents do happen and the HNS Convention is the last piece in the puzzle needed to ensure that those who have suffered damage have access to a comprehensive and international liability and compensation regime.
HNS covered by the Convention are defined by references to various IMO Conventions and Codes. These include: oils; other liquid substances defined as noxious or dangerous; liquefied gases; liquid substances with a flashpoint not exceeding 60˚C; dangerous, hazardous and harmful materials and substances carried in packaged form or in containers; and solid bulk materials defined as possessing chemical hazards.
The current HNS Convention was adopted in 2010, amending a previous instrument that had been adopted in 1996. However, the 2010 HNS Convention has still not entered into force; States must ratify it before this can happen.
Together with the International Oil Pollution Compensation Funds (IOPC Funds) and the International Tanker Owners Pollution Federation (ITOPF), IMO has produced a six-page brochure that explains the benefits of the convention and encourages the next steps for States to implement and accede to the convention.
The brochure is available to downloadhere
, or alternatively on theIMO's website
in English, French and Spanish.
HNS Convention - Why it is needed (3 MB)
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The International Convention on Liability and Compensation for Damage in Connection with the Carriage of Hazardous and Noxious Substances by Sea, 1996 (“the HNS Convention”) was adopted in May 1996. It is modelled on CLC 1992 but intended to cover damages caused by spillage of hazardous and noxious substances during maritime transportation.
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