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Rules & Guidelines

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Rules For Construction and Equipment of ships carrying liquefied gases in bulk+

Rules for Construction and Equipment of Ships Carrying Liquefied Gases in Bulk 2026 Amendments Release date:2026-02-01 Effective date:2026-02-01
Rules for Construction and Equipment of Ships Carrying Dangerous Liquid Chemicals in Bulk,RCN No.1,2025 Release date:2025-01-15 Effective date:2025-01-15
2025 Amendments to Rules for Construction and Equipment of Ships Carrying Liquefied Gases in Bulk Release date:2024-12-27 Effective date:2025-01-01
RULES FOR CONSTRUCTION AND EQUIPMENT OF SHIPS CARRYING LIQUEFIED GASES IN BULK 2023. RCN No.1 Release date:2023-09-06 Effective date:2024-01-01
RULES FOR CONSTRUCTION AND EQUIPMENT OF SHIPS CARRYING LIQUEFIED GASES IN BULK 2022 Release date:2023-09-06 Effective date:2022-07-01
Rule Change Notice For Rules for Construction and Equipment of Ships Carrying Liquefied Gases In Bulk (RCN No.1, 2022) Release date:2022-07-08 Effective date:2022-08-01
+ History

RULES FOR CONSTRUCTION AND EQUIPMENT OF SHIPS CARRYING LIQUEFIED GASES IN BULK- AMENDMENTS 2022 Release date:2022-06-15 Effective date:2022-07-01

Rule Change Notice For Rules for Construction and Equipment of Ships Carrying Liquefied Gases In Bulk (RCN No.1, 2021) Release date:2021-06-30 Effective date:2021-07-01

Rules for Construction and Equipment of Ships Carrying Liquefied Gases in Bulk 2020 RCN02 Release date:2020-12-28 Effective date:2021-01-01

Rules for Construction and Equipment of Ships Carrying Liquefied Gases in Bulk 2020 RCN01 Release date:2020-06-19

RULES FOR CONSTRUCTION AND EQUIPMENT OF SHIPS CARRYING LIQUEFIED GASES IN BULK AMENDMENTS 2020 Release date:2020-05-08 Effective date:2020-07-01

RULES FOR CONSTRUCTION AND EQUIPMENT OF SHIPS CARRYING LIQUEFIED GASES IN BULK 2018 Release date:2017-12-14

Guidelines for Welding Inspection of Intelligent Manufacturing of Ships+

Guidelines for Welding Inspection of Intelligent Manufacturing of Ships 2025 Release date:2026-01-01 Effective date:2026-01-01

Rules for Classification of Mobile Offshore Units+

CCS Rule Change Notice for Rules Classification of Mobile Offshore Units RCN No.1, 2025 Release date:2025-12-30 Effective date:2026-01-01
CCS Rule Change Notice for Rules Classification of Mobile Offshore Units(RCN No.1,2024） Release date:2024-09-30 Effective date:2024-10-01
Rules for Classification of Mobile Offshore Units 2023 Release date:2023-01-01 Effective date:2023-01-01
+ History

CCS Rule Change Notice for Rules Classification of Mobile Offshore Units (RCN No.1, July, 2023) Release date:2023-07-26 Effective date:2023-08-01

CCS Rule Change Notice for Rules Classification of Mobile Offshore Units (RCN No.1, July, 2021) Release date:2021-06-30 Effective date:2021-07-01

Rules for Classification of Mobile Offshore Units 2020 Release date:2020-07-01 Effective date:2020-07-01

CCS Rule Change Notice for Rules Classification of Mobile Offshore Units (RCN No.1, March, 2019) Release date:2019-03-07

CCS Rule Change Notice for Rules Classification of Mobile Offshore Units (RCN No.2, December, 2016) Release date:2017-01-05

CCS Rule Change Notice for Rules Classification of Mobile Offshore Units (RCN No.1, September, 2016) Release date:2016-09-20

Rules for Classification of Mobile Offshore Units 2016 Release date:2016-04-21

GUIDELINES FOR DEVELOPMENT AND SURVEY OF THE INVENTORY OF HAZARDOUS MATERIALS OF SHIPS+

GUIDELINES FOR DEVELOPMENT AND SURVEY OF THE INVENTORY OF HAZARDOUS MATERIALS OF SHIPS 2025 RCN No.1 Release date:2025-12-30 Effective date:2026-01-01
Guidelines for Development and Survey of th Inventor of Hazardous Materials of Ships 2024 Release date:2024-10-01 Effective date:2024-10-01
GUIDELINES FOR DEVELOPMENT AND SURVEY OF THE INVENTORY OF HAZARDOUS MATERIALS OF SHIPS（RCN No.1, January 2020） Release date:2020-01-02
GUIDELINES FOR DEVELOPMENT AND SURVEY OF THE INVENTORY OF HAZARDOUS MATERIALS OF SHIPS 2016 Release date:2018-08-23

Rules for Classification of Sea-Going Steel Ships+

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS CCS RULE CHANGE NOTICE Version 2025. RCN No.3 Release date:2025-12-29 Effective date:2026-01-01
RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2025 Release date:2025-06-12 Effective date:2025-07-01
RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS CCS RULE CHANGE NOTICE Version 2025. RCN No.2 Release date:2025-06-11 Effective date:2025-07-01
RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2025 AMENDMENTS Release date:2025-06-03 Effective date:2025-07-01
RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS（(R001CN01-2025) Release date:2024-11-22 Effective date:2025-01-01
Rules For Classification of Sea-going Steel Ships（R001CN03-2024） Release date:2024-07-09 Effective date:2024-07-09
RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2024 Release date:2024-06-12 Effective date:2024-07-01
Rules For Classification of Sea-going Steel Ships（R001CN02-2024） Release date:2024-06-03 Effective date:2024-07-01
Rules For Classification of Sea-going Steel Ships 2024 RCN01 Release date:2023-12-04 Effective date:2024-07-01
+ History

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2024 AMENDMENTS Release date:2024-06-04 Effective date:2024-07-01

Rules For Classification of Sea-going Steel Ships 2023 RCN02 Release date:2023-06-29 Effective date:2023-07-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2023 Release date:2023-06-27 Effective date:2023-07-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2023 Amendments Release date:2023-05-30 Effective date:2023-07-01

Rule Change Notice For:Rules For Classification of Sea-Going Steel Ships（RCN No.1, January,2023) Release date:2022-12-05 Effective date:2023-01-01

Rules For Classification of Sea-going Steel Ships 2022 RCN03 Release date:2022-06-28 Effective date:2022-07-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2022 Release date:2022-06-01 Effective date:2022-07-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2022 AMENDMENTS Release date:2022-03-29 Effective date:2022-07-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2022 RCN02 Release date:2022-01-29 Effective date:2022-07-01

CCS Rule Change Notice For RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS（Version 2022. RCN No.1） Release date:2021-11-30 Effective date:2022-01-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2021 Release date:2021-06-01 Effective date:2021-07-01

Rules for Classification of Sea-Going Steel Ships 2021 Amendments Release date:2021-04-09 Effective date:2021-07-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2021 RCN02 Release date:2021-03-19 Effective date:2021-04-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2021 Release date:2021-03-10 Effective date:2021-07-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2021 RCN01 Release date:2021-01-31 Effective date:2021-02-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2020 RCN04 Release date:2020-12-24

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2020 RCN03 Release date:2020-08-11

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS AMENDMENTS 2020 Release date:2020-07-09

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2020 RCN02 Release date:2020-06-24

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2020 RCN No.1 Release date:2020-03-09

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2019 RCN No.3 Release date:2019-12-06

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2019 RCN No.2 Release date:2019-09-24

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS AMENDMENTS 2019 Release date:2019-06-30

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2019 RCN No.1 Release date:2019-06-30

RCN No.3 (December 2018) - Rules for Classification of Sea-Going Steel Ships Release date:2018-12-29

Corrigenda No.1 October 2018 -Rules for Classification of Sea-going Steel Ships Release date:2018-10-09

RCN No.2 (September 2018) - Rules for Classification of Sea-Going Steel Ships Release date:2018-09-29

RCN No.1 (July 2018) - Rules for Classification of Sea-Going Steel Ships Release date:2018-08-09

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS 2018 Release date:2018-07-25

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS AMENDMENTS 2018 Release date:2018-04-25

RCN No.3 (November 2017) - Rules for Classification of Sea-Going Steel Ships Release date:2017-11-13

RCN No.2 (September 2017) - Rules for Classification of Sea-Going Steel Ships Release date:2017-09-29

（RCN No.1, July, 2017）CCS Rule Change Notice For Rules for Classification of Sea-Going Steel Ships Release date:2017-07-01

RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS AMENDMENTS 2017 Release date:2017-06-20

CCS Rule Change Notice For：RULES FOR CLASSIFICATION OF SEA-GOING STEEL SHIPS (RCN No.2, December 2016) Release date:2016-12-22

CCS Rule Change Notice for Classification of Sea-Going Steel Ships (RCN No.1, July, 2016) Release date:2016-08-12

2016 Amendments to Rules for Classification of Sea-Going Steel Ships Release date:2016-06-20

Rules for Classification of Sea-Going Steel Ships 2015 Release date:2016-04-20

Corrigenda No.1 October 2015 -Rules for Classification of Sea-going Steel Ships,2015 Release date:2016-03-29

RCN No.1 (January 2016) Rules for Classification of Sea-Going Steel Ships, 2015 Release date:2016-03-17

Rules for Construction of Ocean-Going Fishing Vessels +

Rules for Construction of Ocean going Steel Fishing Vessels 2025 RCN No.1 Release date:2025-12-08 Effective date:2026-01-01
RULES FOR CONSTRUCTION OF OCEAN-GOING FISHING VESSELS 2025 Release date:2025-06-30 Effective date:2025-10-01
+ History

Rules for Construction of Ocean-going Steel Fishing Vessels （2024 RCN No.2） Release date:2024-11-12 Effective date:2025-01-01

Rules for Construction of Ocean-going Steel Fishing Vessels 2024 RCN No.1 Release date:2024-02-02 Effective date:2024-07-01

Rules for Construction of Ocean-going Steel Fishing Vessels 2023 RCN No.2 Release date:2023-11-28 Effective date:2024-01-01

Rules for Construction of Ocean-going Steel Fishing Vessels 2023 RCN No.1 Release date:2023-04-04 Effective date:2023-07-01

Rules for Construction of Ocean-going Steel Fishing Vessels 2022(RCN No.2) Release date:2022-12-05 Effective date:2023-01-01

Rules for Construction of Ocean-going Steel Fishing Vessels 2022 RCN No.1 Release date:2022-02-21 Effective date:2022-07-01

Rules for Construction of Ocean-going Steel Fishing Vessels 2020 RCN No.2 Release date:2021-07-01 Effective date:2021-07-01

RULES FOR CONSTRUCTION OF OCEAN-GOING STEEL FISHING VESSELS 2021 Release date:2021-03-10 Effective date:2021-07-01

Rules for Construction of Ocean-going Steel Fishing Vessels 2020 RCN No.1 Release date:2020-06-30

Rules for Construction of Ocean-going Steel Fishing Vessels 2019 RCN NO.1 Release date:2020-06-30

Rules for Construction of Ocean-Going Steel Fishing Vessels Amendtents 2019 Release date:2020-06-30

Rules for Construction of Ocean-Going Steel Fishing Vessels 2018 Release date:2020-06-30

GUIDELINES FOR MANAGEMENT OF APPROVAL OF SUPPLIERS AND PERSONNEL QUALIFICATION+

Guidelines for Management of Approval of Service Suppliers and Personnel Qualification 2025 Release date:2025-12-01 Effective date:2025-12-01
Guidelines for Management of Approval of Suppliers and Personnel Qualificatio 2023 Release date:2023-07-01 Effective date:2023-07-01
+ History

Guidelines for Management of Approval of Suppliers and Personnel Qualification 2022 Release date:2022-07-01 Effective date:2022-07-01

GUIDELINES FOR MANAGEMENT OF APPROVAL OF SUPPLIERS AND PERSONNEL QUALIFICATION 2021 Release date:2021-07-01 Effective date:2021-07-01

GUIDELINES FOR MANAGEMENT OF APPROVAL OF SUPPLIERS AND PERSONNEL QUALIFICATION 2020 Release date:2020-07-01 Effective date:2020-07-01

Guidelines for Implementation of Inspections of Maritime Labour Conditions+

Guidelines for Implementation of Inspections of Maritime Labour Conditions, 2025 Release date:2025-10-01 Effective date:2025-10-01
+ History

Guidelines for Implementation of Inspections of Maritime Labour Conditions,2020 Release date:2020-01-20

Guidelines for Type Approval of SHIP’s Ballast Water Management Systems+

Rule Change Notice for Guidelines for Type Approval of Ship’s Ballast Water Management Systems(2025 RCN No.1) Release date:2025-10-01 Effective date:2025-10-01
Guidelines for Type Approval of Ship's Ballast Water Management Systems 2022 Release date:2022-10-01 Effective date:2022-10-01
+ History

Guidelines for Type Approval of SHIP’s Ballast Water Management Systems 2017 Release date:2017-12-22

Guidelines for Evaluation of Ship Operational CII and Development and Verification of SEEMP +

Rule Change Notice for Guidelines for Evaluation of Ship Operational Carbon Intensity and Development and Verification of Ship Energy Efficiency Management(2025 RCN NO.1) Release date:2025-10-01 Effective date:2025-10-01
Guidelines for Evaluation of Ship Operational Carbon Intensity and Development and Verification of Ship Energy Efficiency Managemen(2024 RCN NO.1) Release date:2024-11-14 Effective date:2025-01-01
Guidelines for Evaluation of Ship Operational CII and Development and Verification of SEEMP Part III 2022 Release date:2022-12-01 Effective date:2022-12-10

Guidelines for Development of Ships Ballast Water Management Plan+

Rule Change Notice for Development of Ship Ballast Water Management Plans(2025 RCN No.1) Release date:2025-10-01 Effective date:2025-10-01
RCN No.1 (May 2018) - Guidelines for Development of Ships Ballast Water Management Plan Release date:2018-05-28
Guidelines for Development of Ships Ballast Water Management Plan 2017 Release date:2017-04-27
+ History

GUIDELINES FOR DEVELOPMENT OF SHIP’S BALLAST WATER MANAGEMENT PLAN 2020 Release date:2020-04-10 Effective date:2020-04-10

Guidelines for Inspection of Hull Welds+

Guidelines for Inspection of Hull Welds 2025 Release date:2025-10-01 Effective date:2025-10-01
RCN No.1 (2023) - Guidelines for Inspection of Hull Welds Release date:2023-06-16 Effective date:2023-08-01
GUIDELINES FOR INSPECTION OF HULL WELDS 2021 Release date:2021-07-14 Effective date:2022-01-01
RCN No.1 (November 2020) - Guidelines for Inspection of Hull Welds Release date:2020-12-24
RCN No.1 (October 2017) - Guidelines for Inspection of Hull Welds Release date:2017-11-01
GUIDELINES FOR INSPECTION OF HULL WELDS, 2017 Release date:2017-03-06

GUIDELINES FOR CERTIFICATION OF SHIP SECURITY SYSTEM+

GUIDELINES FOR CERTIFICATION OF SHIP SECURITY SYSTEM 2025 Release date:2025-09-30 Effective date:2026-01-01

Guidelines for Certification of Safety Management System for Safe Operation of Ships and Pollution Preventio+

Guidelines for Certification of Safety Management System for Safe Operation of Ships and Pollution Prevention 2025 Release date:2025-09-30 Effective date:2026-01-01

Rules for Natural Gas Fuelled Ships +

Rule Change Notice for Rules for Ships Using Natural Gas Fuel（R014CN01-2025) Release date:2025-09-22 Effective date:2026-01-01
RULES FOR SHIPS USING NATURAL GAS FUELS 2024 Release date:2024-07-01 Effective date:2024-07-01
+ History

Rules for Ships Using Natural Gas Fuels 2021 RCN NO.1 Release date:2021-11-18 Effective date:2022-01-01

Rules for Ships Using Natural Gas Fuels 2021 Release date:2020-12-31 Effective date:2021-01-01

RCN No.2 (December 2018) - Rules for Natural Gas Fuelled Ships,2018 Release date:2018-12-19

RCN No.1 (January 2018) - Rules for Natural Gas Fuelled Ships,2018 Release date:2018-02-24

RCN No.1 (November 2017) - Rules for Natural Gas Fuelled Ships,2017 Release date:2017-11-21

Rules for Natural Gas Fuelled Ships, 2017 Release date:2016-11-22

Rules for Green Ships+

RULES FOR GREEN-ECO SHIPS CHANGE NOTICE Version 2025. RCN No.1 Release date:2025-07-14 Effective date:2025-08-01
Rules for Green-Eco Ships 2022 Release date:2022-12-30 Effective date:2023-01-01
+ History

Rules for Green Eco-Ships RCN NO.1(April 2022) Release date:2022-02-25 Effective date:2022-04-01

RULES FOR GREEN ECO-SHIPS 2020 Release date:2020-04-07

RCN No.1 (July 2019) - Rules for Green Ships Release date:2019-07-08

RCN No.1(April 2016) Rules for Green Ships Release date:2016-05-03

Rules for Green Ships 2015 Release date:2016-03-18

Guidelines for Loading and Unloading Operations of Shipborne Liquid Carbon Dioxide+

Guidelines for Loading and Unloading Operations of Shipborne Liquid Carbon Dioxide 2025 Release date:2025-07-01 Effective date:2025-07-01

Guidelines for Safety of Locations Under Survey+

GUIDELINES FOR SAFETY OF LOCATIONS UNDER SURVEY 2025 Release date:2025-07-01 Effective date:2025-07-01
GUIDELINES FOR SAFETY OF LOCATIONS UNDER SURVEY 2024 Release date:2024-05-08 Effective date:2024-07-01
+ History

Guidelines for Safety of Locations Under Survey 2020 Release date:2020-03-02 Effective date:2020-03-02

Guidelines for Digital Delivery of Ships+

Guidelines for Digital Delivery of Ships 2025 Release date:2025-07-01 Effective date:2025-07-01

Guidelines for Evaluation of Alternative Design of LNG Carrier Based on Risk Assessment+

Guidelines for Evaluation of Alternative Design of LNG Carrier Based on Risk Assessment 2025 Release date:2025-07-01 Effective date:2025-07-01

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