The IGF Code, 2026 Edition is the International Maritime Organization's International Code of Safety for Ships using Gases or other Low-flashpoint Fuels. It gives mandatory rules for the arrangement, installation, control and monitoring of machinery, equipment and systems that use these fuels, to limit the risk to the ship, its crew and the environment.

Edition at a glance

What's inside

• The full text of the IGF Code with all amendments in force on or before 1 January 2026
• Unified interpretations of the Code approved by IMO's Maritime Safety Committee

What the Code covers

• Ship design and arrangement of fuel systems
• Fuel containment, bunkering and fuel supply to consumers
• Materials and piping, including high-manganese austenitic steel
• Fire safety, explosion prevention and hazardous zones
• Ventilation, electrical installations, control and monitoring
• Drills, emergency exercises and operation

How it applies

The IGF Code is mandatory under SOLAS for ships that use gases or other low-flashpoint fuels, such as LNG: generally new ships built on or after 1 January 2017, and existing ships converted to use these fuels. It doesn't apply to gas carriers covered by the IGC Code.

Who uses it

Owners and designers of LNG-fuelled ships, shipyards, engine and fuel-system makers, classification societies and crews on gas-fuelled vessels.