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Searchable access to the latest marine regulations.


With the increasing volume and complexity of marine classification and statutory regulations, identifying those applicable to you can be an unpleasant task - difficult, time-consuming and expensive. LR's Rulefinder software can help you lift this load.

What is Rulefinder?

Rulefinder is an interactive PC-based software system that provides you with fast and easy searchable access to an extensive library of consolidated versions of the latest requirements from both LR and the International Maritime Organisation.

Further information can be found below in the list of frequently asked questions.

What are the benefits?

Rulefinder offers substantial time savings through its quick and easy search capability when compared with traditional hard-copy reference publications.

Updated twice yearly, Rulefinder gives you confidence that you are looking at the latest applicable LR class and statutory requirements.

Rulefinder provides exceptional financial value when compared to the equivalent list price of hard-copy publications, and further cost savings can be made through the updates included as part of your annual subscription.

What documents does Rulefinder include?

Rulefinder Version 9.38 (January 2023) includes consolidated versions of the latest:

Lloyd's Register classification requirements, including:

  • Rules and Regulations for the Classification of Ships, and additionally those for specialised ship types, including special service craft and naval ships

  • Lloyd's Register Provisional Rules.

Statutory requirements, including:

  • ten international conventions and protocols, including SOLAS and MARPOL

  • over 20 international codes, including the ISPS, ISM, IBC, IGC and LSA codes

  • IMO Assembly, MSC and MEPC resolutions and circulars

  • ILO conventions.

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