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Rules & Guidelines

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File classification：
Effective date：

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Guidelines for Direct Calculation of Structural Strength Under Ice Loads+

Guidelines for Direct Calculation of Structural Strength Under Ice Loads 2025 Release date:2025-04-01 Effective date:2025-04-01

CCS Guidelines for Thickness Measurement of Hull +

Guidelines for Thickness Measurement of Hull(Ver.6.6) Release date:2025-03-05
Guidelines for Thickness Measurement of Hull(Ver.6.5) Release date:2023-01-01 Effective date:2023-01-01

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

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 Verification and Survey of Low Friction Performance of Hull Coatings+

Guidelines for Verification and Survey of Low Friction Performance of Hull Coatings 2024 Release date:2025-01-01 Effective date:2025-01-01

Guidelines on Evacuation Analysis for Personnel of Passenger Ships+

Guidelines on Evacuation Analysis for Personnel of Passenger Ships(2024) Release date:2024-12-18

GUIDELINES FOR DIRECT PREDICTION OF ACCELERATION RESPONSE OF CONTAINER SHIPS+

GUIDELINES FOR DIRECT PREDICTION OF ACCELERATION RESPONSE OF CONTAINER SHIPS(2024) Release date:2024-12-18

Guidelines on Calculation and Verification of the Attained Energy Efficiency Existing Ship Index (EEXI)+

Guidelines on Calculation and Verification of the Attained Energy Efficiency Existing Ship Index (EEXI)(2024 RCN No.1) Release date:2024-12-11 Effective date:2025-01-01
Guidelines on Calculation and Verification of the Attained Energy Efficiency Existing Ship Index (EEXI) 2022 Release date:2022-12-01 Effective date:2022-12-01

GUIDELINES ON SURVEY AND CERTIFICATION FOR BALLAST WATER MANAGEMENT OF SHIPS +

Guidelines on Survey and Certification for Ballast Water Management of Ships（2024 RCN NO.1） Release date:2024-12-09 Effective date:2025-01-01
Guidelines on Survey and Certification for Ballast Water Management of Ships 2022 Release date:2022-10-01 Effective date:2022-10-01
+ History

GUIDELINES ON SURVEY AND CERTIFICATION FOR BALLAST WATER MANAGEMENT OF SHIPS 2020 Release date:2020-04-01 Effective date:2020-04-01

GUIDELINES ON SURVEY AND CERTIFICATION FOR BALLAST WATER MANAGEMENT OF SHIPS 2020 Release date:2020-04-01 Effective date:2020-04-01

GUIDELINES ON SURVEY AND CERTIFICATION FOR BALLAST WATER MANAGEMENT OF SHIPS 2017 Release date:2019-12-26

GUIDELINES ON VERIFICATION OF THE ENERGY EFFICIENCY DESIGN INDEX (EEDI) OF SHIPS+

Guidelines on Calculation and Verification of the Energy Efficiency Design Index (EEDI) of International Sea-Going Ships(RCN No.1,2024) Release date:2024-07-15 Effective date:2024-08-01
Guidelines on Calculation and Verification of the Energy Efficiency Design Index (EEDI) of International Sea-going Ships amended(2023)RCN No.1 Release date:2023-06-19 Effective date:2023-08-01
Guidelines on Calculation and Verification of the Energy Efficiency Design Index(EEDI) of International Sea-going Ships 2022 Release date:2022-12-01 Effective date:2022-12-01
GUIDELINES ON VERIFICATION OF THE ENERGY EFFICIENCY DESIGN INDEX (EEDI) OF SHIPS 2020 Release date:2020-12-01 Effective date:2020-12-01

Guidelines for Ship Cyber Security+

Guidelines for Ship Cyber Security 2024 Release date:2024-07-15 Effective date:2024-07-15
+ History

Guidelines for Ship Cyber Security 2023 Release date:2023-05-01 Effective date:2023-05-01

Guidelines on Assessment of Ship Second Generation Intact Stability Criteria+

Guidelines on Assessment of Ship Second Generation Intact Stability Criteria 2024 Release date:2024-07-01 Effective date:2024-07-01

GUIDELINES FOR APPLICATION OF THICK HIGHER STRENGTH STEEL PLATES FOR SHIPS +

Guidelines for Application of Thick Higher Strength Steel Plates for Ships 2024 Release date:2024-07-01 Effective date:2024-07-01
+ History

GUIDELINES FOR APPLICATION OF THICK HIGHER STRENGTH STEEL PLATES FOR SHIPS 2020 Release date:2021-01-01 Effective date:2021-01-01

Rules for Materials and Welding+

RULES FOR MATERIALS AND WELDING 2025 Release date:2025-05-30 Effective date:2025-07-01
RULES FOR MATERIALS AND WELDING 2025 AMENDMENTS Release date:2025-04-14 Effective date:2025-07-01
Rules for Materials and Welding (R002CN01-2025) Release date:2024-11-22 Effective date:2025-01-01
+ History

Rules for Materials and Welding 2024 Release date:2024-06-12 Effective date:2024-07-01

RULES FOR MATERIALS AND WELDING 2024 AMENDMENTS Release date:2024-04-17 Effective date:2024-07-01

2023 CCS Rule Change Notice NO.1 For RULES FOR MATERIALS AND WELDING Release date:2023-11-08 Effective date:2024-01-01

RULES FOR MATERIALS AND WELDING 2023 Release date:2023-06-08 Effective date:2023-07-01

Rules for Materials and Welding 2023 Amendments Release date:2023-05-30 Effective date:2023-07-01

RULES FOR MATERIALS AND WELDING 2022 Release date:2022-06-01 Effective date:2022-07-01

Rules for Materials and Welding 2022 Amendments Release date:2022-03-04 Effective date:2022-07-01

RULES FOR MATERIALS AND WELDING 2021 Release date:2021-06-01 Effective date:2021-07-01

Rules for Materials and Welding 2021 Amendments Release date:2021-04-12 Effective date:2021-07-01

RULES FOR MATERIALS AND WELDING 2020RCN02 Release date:2020-12-24

RULES FOR MATERIALS AND WELDING 2020RCN01 Release date:2020-06-24

RULES FOR MATERIALS AND WELDING AMENDMENTS 2020 Release date:2020-04-14

RULES FOR MATERIALS AND WELDING 2019 RCN No.1 Release date:2019-09-24

RULES FOR MATERIALS AND WELDING AMENDMENTS 2019 Release date:2019-03-27

RCN No.2 (December 2018) - Rules for Materials and Welding Release date:2018-12-29

RCN No.1 (July 2018) - Rules for Materials and Welding Release date:2018-08-09

RULES FOR MATERIALS AND WELDING 2018 Release date:2018-06-29

2018 Amendments to Rules for Rules for Materials and Welding Release date:2018-04-25

CCS Rule Change Notice For: RULES FOR MATERIALS AND WELDING Release date:2017-09-30

RULES FOR MATERIALS AND WELDING AMENDMENTS 2017 Release date:2017-07-01

Rules for Materials and Welding, 2016 Amendments Release date:2016-05-09

RCN No.1 (March 2016) Rules for Materials and Welding,2015 Release date:2016-03-29

Rules for Materials and Welding, 2015 Release date:2016-03-17

Guidelines for Qualification of New Technology Applications+

Guidelines for Qualification of New Technology Applications 2024 Release date:2024-04-01 Effective date:2024-04-01

GUIDELINES FOR SURVEYS OF INTELLIGENT MACHINERY OF SHIPS +

Guidelines for Surveys of Intelligent Machinery of Ships 2025 Release date:2025-03-31 Effective date:2025-04-01
+ History

Guidelines for Surveys of Intelligent Machinery of Ships 2024 Release date:2024-04-01 Effective date:2024-04-01

Guidelines for Surveys of Intelligent Machinery of Ships 2022 Release date:2022-04-01 Effective date:2022-04-01

GUIDELINES FOR SURVEYS OF INTELLIGENT MACHINERY OF SHIPS 2017 Release date:2019-12-26

GUIDELINES FOR SURVEYS OF INTELLIGENT ENERGY EFFICIENCY MANAGEMENT OF SHIPS +

Guidelines for Surveys of Intelligent energy efficiency management of ships 2025 Release date:2025-03-31 Effective date:2025-04-01
+ History

Guidelines for Surveys of Intelligent energy efficiency management of ships 2024 Release date:2024-04-01 Effective date:2024-04-01

Guidelines for Surveys of Intelligent energy efficiency management of ships 2022 Release date:2022-04-01 Effective date:2022-04-01

GUIDELINES FOR SURVEYS OF INTELLIGENT ENERGY EFFICIENCY MANAGEMENT OF SHIPS 2018 Release date:2019-01-17

Rules for Intelligent Ships+

RULES FOR INTELLIGENT SHIPS 2025 Release date:2025-03-31 Effective date:2025-04-01
+ History

RULES FOR INTELLIGENT SHIPS 2024 Release date:2024-04-01 Effective date:2024-04-01

Rules for Intelligent Ships 2022 Amendments Release date:2022-04-01 Effective date:2022-04-01

Rules for Intelligent Ships 2020 Release date:2020-01-03

Rules for Intelligent Ships 2015 Release date:2016-08-17

Guidelines for Implementation of the Ballast Water Management Convention+

Guidelines for Implementation of the Ballast Water Management Convention 2024 Release date:2024-03-01 Effective date:2024-03-01

Guidelines for Yielding Strength Assessment of TypeC Independent Tanks based on LRFD Criteria+

Guidelines for Yielding Strength Assessment of TypeC Independent Tanks based on LRFD Criteria 2024 Release date:2024-01-01 Effective date:2024-01-01

Rules for Heavy Icebreakers+

Rules for Heavy Icebreakers 2024 Release date:2024-01-01 Effective date:2024-01-01

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