Lloyd's Register's Rules and Regulations set appropriate standards for the design, construction and lifetime maintenance of ships, offshore units and land-based installations - providing all the information you need for classification purposes. To keep pace with changes in technology, market trends and new legislation, Lloyd's Register is dedicated to an on-going programme of research and development to enhance existing technical standards and publish new Rules.
How do I access the Rules?
The best way to access all LR's Rules in a single place is directly through Rulefinder. But you can download the individual Rules from the specific subject page links below, available in PDF format.
Copies of our historic Rule sets can be downloaded directly from our webstore, www.webstore.lr.org. Prior to downloading the files, you will need to register an account. To do this, click on the Register button at the top right hand corner of the homepage and fill in the information required. Once your account is set up and activated you will be able to download the files you need.
The historic Rulesets can be found in the Archive material category on the left hand side of the homepage.
Please note from 1 July 2019 we have upgraded the majority of our Provisional Rules to full Rulesets, as such they have been merged into the main list of Rules below.
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Rules and Regulations
Rules and Regulations
- Rules and Regulations for the Classification of Ships
- Rules for the Manufacture, Testing and Certification of Materials
- Rules and Regulations for the Classification of Offshore Units
- Rules and Regulations for the Classification of Naval Ships
- Rules and Regulations for the Classification of Special Service Craft
- Rules and Regulations for the Classification of Inland Waterways Ships
- Rules and Regulations for the Classification of Ships for Service on the Great Lakes and River St. Lawrence
- Rules and Regulations for the Construction and Classification of Ships for the Carriage of Liquefied Gases in Bulk
- Rules and Regulations for the Construction and Classification of Ships for the Carriage of Liquid Chemicals in Bulk
- Rules and Regulations for the Classification of Floating Docks
- Rules and Regulations for the Classification of Linkspans
- Rules and Regulations for the Classification of Ships using Gases or other Low-flashpoint Fuels
- Rules and Regulations for the Construction and Classification of Submersibles and Underwater Diving Systems
- Code for Lifting Appliances in a Marine Environment
- Rules for the Classification of Trimarans
- Rules for Air Cushion Vehicles
- Rules for Ergonomic Container Lashing
- Rules for LNG Ships and Barges Equipped with Regasification Systems
- Rules for the Classification of Methanol Fuelled Ships
- Rules for the Classification of Potable Water Carriers
- Rules for Sail-Assisted Ships
- Rules for the Application of Sandwich Panel Construction to Ship Structure
- Rules for the Classification of Stern First Ice Class Ships
- Rules for the Winterisation of Ships
- Common Structural Rules for Bulk Carriers and Oil Tankers
- Grey Boat Code
- Provisional Rules and Regulations for Software to be used in Naval Ships
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Guidance notes
Guidance notes
- Guidance Notes for Air Lubrication Systems
- Guidance Notes for Calculation of Probabilistic Explosion Loads
- Guidance Notes for Calculation Procedures for Composite Construction
- Guidance Notes for Collision Analysis
- Guidance Notes for Collision Assessment for the Location of Low-flashpoint Fuel Tanks
- Guidance Notes for Fire Loading and Protection
- Guidance Notes for Flettner Rotor Approval
- Guidance Notes for Masts, Spars and Standing Rigging
- Guidance Notes for Notations and Descriptive Notes for Yachts
- Guidance Notes for Risk Based Analysis: Cryogenic Spill
- Guidance Notes for Risk Based Inspection for Hull Structures
- Guidance Notes for Special Consideration Processes
- Guidance Notes for Technology Qualification
- Guidance Notes for the Classification of Special Service Craft
- Guidance Notes for the Classification of Wind Farm Service Vessels
- Guidance Notes for the Inventory of Hazardous Materials
- Guidance Notes for Wind Turbine Installation Vessels
- Guidance Information on Spare Gear
- Guidance for the Calculation of Stress Concentration Factors, Fatigue Enhancement and Evaluation of Fatigue Tests
- Guidance Notes for Offshore Wind Farm Project Certification
- Guidance Note on Requirements for Ships Intended to Carry IMSBC Group A Cargo
- Guidance Notes for Appraisal of Flexible Pipe Systems
- Guidance Notes for Calculation Procedure of Container Stack Analysis
- Guidance Notes for Special Consideration Process for Materials Applications
- Guidance Notes for the Certification of Consumables for Wire-Arc Additive Manufacturing
- Guidance Notes on Ballast Water Management System Commissioning Testing
- Guidance Notes for Fuel System Risk Assessment, Hydrogen
- Guidance Notes for Nearshore Hull Structures
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Type Approval Test Specifications
Type Approval Test Specifications
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Procedures