Latest Amendments
Rule Amendments for Technical Rules and Guidance Issued on 29 June 2026
- A list summarising rule amendments for the Technical Rules and Guidance (Regulations for the Classification and Registry of Ships, Rules for Marine Pollution Prevention Systems, etc.) and each part of the Rules for the Survey and Construction of Steel Ships (Part A, Part B, etc.) can be found here.
Rule Amendments Download Package
- Rule Amendments Download Package
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Hull
Particularly relevant stakeholders
- Shipowner
- Shipyard
- Manufacturer
and Others - Guidance for Inclining Test
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- Requirements for Lashing Software
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- Cargo Loading on Upper Decks or Hatch Covers
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- Shear Area of Frames for Polar Class Ships
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- Rudder Horns and Rudders
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- Strength Evaluation of Container Stowage and Securing Arrangements
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- Amendment related to Part C of the Rules for Survey and Construction of Steel Ships (2025 Amendment 2)
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Machinery
Particularly relevant stakeholders
- Shipowner
- Shipyard
- Manufacturer
and Others - Mildly Flammable Refrigerants
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- Clarifying Handling of Risk Assessment for the Use of Low-flashpoint Fuels
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- Flange Connections of Gas Fuel Pipes
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- Fuel Gas Vent Pipes Located within Gas-Safe Machinery Spaces
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- Amendments to the Guidelines for the Development of a Ship Energy Efficiency Management Plan (SEEMP)
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- Procedure for Verifying Emissions from Engines Subject to Substantial Modification
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- Review of Shaft-related Requirements
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- Review of Rules related to Discharge Pipes
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Equipment
Particularly relevant stakeholders
- Shipowner
- Shipyard
- Manufacturer
and Others - Portable Fire-extinguishing Equipment Provided in the Cargo Areas of Ships Carrying Dangerous Chemicals in Bulk
- Download
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- Arrangement Requirements for Combined Fire Detectors in Ro-ro Spaces and Special Category Spaces of Ro-ro Passenger Ships
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- Venting Systems for Cargo Tanks in Tankers
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- Revision of References to ISO Standards and Addition of Side Net Requirements for Means of Embarkation and Disembarkation
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- Brake Capacity of Mooring Winches
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- Reference Standards for FRP Products
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- Ballast Water Management Systems
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- Clarification of Equivalency Requirements
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Electrical Installations
Survey
Particularly relevant stakeholders
- Shipowner
- Shipyard
- Manufacturer
and Others - Guidance on Pressure Testing of Boundaries of Cargo Tanks Under Direction of the Master
- Download
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Editorial Correction
- Editorial Correction for Technical Rules and Guidance
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- The word “omitted” when used in the context of the rule amendments described in the Amendments means that the requirement in question was not amended and is still applicable as before; it does not mean that the requirement is no longer applicable or was deleted.