| 2025/05/01 | Released TEC-1350 "Summary of the Outcomes of MSC 109" |
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| 2025/04/23 | Released TEC-1349 "Compliance with the Hong Kong Convention (Ship Recycling Convention) / Regulation (EU) No. 1257/2013 on Ship Recycling (EU-SRR)- For Liberian flagged vessels" |
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| 2025/04/03 | Released TEC-1348 "Rules concerning computer-based systems (IACS UR E22 (Rev.3) related)" |
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| 2025/03/26 | Release of the “Guidelines for Automated/Autonomous Operation on ships (Ver. 2.0)” |
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| 2025/02/25 | Release of the Rule Amendment Search feature to ClassNK RuleViewer |
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| | Publication of the latest Rules and Guidance on our website |
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| 2025/02/21 | Released TEC-1347 "Focused Inspection Campaign on "Enclosed Space Entry" in Chinese Ports" |
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| 2025/02/14 | Released TEC-1346 "STS Operation for Singapore Flag Ships" |
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| 2025/01/31 | Released TEC-1345 "Notice of voluntary replacement of rocket parachute flares Kokusai Kakoh Co., Ltd / Type: KP-16" |
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| 2025/01/30 | Draft amendments of the Rules and Guidance approved at the 1st Meeting of the 2025 Technical Committee are now available on our website |
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| | Release of the "NOTATION HANDBOOK (2025-1 Edition)" |
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| 2025/01/14 | Released TEC-1344 "Designation of the Canadian Arctic Area and Norwegian Sea Area as Emission Control Areas under MARPOL ANNEX VI (Regulations for the Prevention of Air Pollution from Ships)" |
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| 2025/01/07 | Released TEC-1343 "Summary of the outcomes of MEPC 82" |
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| 2025/01/06 | Release of the “GUIDANCE FOR UNDERGOING CLASS MAINTENANCE SURVEYS 2025” |
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| 2024/12/27 | Released TEC-1342 "FuelEU Maritime implementation delayed in Norway and Iceland" |
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| 2024/12/26 | On 26 December 2024, Technical Rules and Guidance were partly amended |
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| 2024/12/25 | Released TEC-1341 "RESOLUTION MSC.552(108) - Amendments to the International Code for the safe carriage of grain in bulk (RESOLUTION MSC.23(59))" |
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| 2024/12/20 | On 20 December 2024, Technical Rules and Guidance were partly amended |
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| 2024/12/18 | ClassNK releases “ClassNK Technical Journal No.10” |
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| 2024/12/16 | Released TEC-1340 "New requirements for Lifting appliances due to the Amendments to SOLAS II-1" |
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| 2024/12/12 | Released TEC-1339 "Implementation of new parameters for IMO DCS monitoring and SEEMP II revision" |
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| 2024/12/06 | Released TEC-1338 "Application of INTERNATIONAL CODE OF SAFETY FOR SHIPS CARRYING INDUSTRIAL PERSONNEL （IP Code）" |
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| 2024/12/05 | Released TEC-1337 "Inspection and certification relating to the entry into force of the 2022 Amendments to the MLC, 2006 on 23 December 2024 (Part 2)" |
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| 2024/11/26 | Released TEC-1336 "Revised Unified Interpretation of inspection and maintenance of means of access specified in MSC.1/Circ.1572/Rev.2." |
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| 2024/11/08 | Released TEC-1335 "Summary of the Outcomes of MSC 108" |
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| 2024/11/01 | Release of the "NOTATION HANDBOOK (13th Edition)" |
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| 2024/10/25 | Released TEC-1334 "Maintaining and updating part I of the Inventory during operations with the Hong Kong Convention (Ship Recycling Convention)" |
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| 2024/10/11 | Released TEC-1333 "Arrangement of Occasional Survey for issuance of AFS Certificate in accordance with the amendment of the AFS Convention to add the Cybutryne to the list of banned substances" |
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| | Released TEC-1332 "Application of IMSBC Code 7th Amendment" |
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| 2024/10/01 | Released TEC-1331 "Special requirements for life-saving appliances and equipment installed on board Singapore-flagged vessels" |
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| 2024/09/17 | Publication of the latest Rules and Guidance on our website |
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| 2024/09/12 | Draft amendment of the Rules and Guidance approved at the 22nd Marine Committee are now available on our website |
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| 2024/09/05 | Replacement of the Japanese Version of the Recommended Practice to Ship Vibration and Publication of an English Version |
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| 2024/08/13 | Released TEC-1330 "Tokyo and Paris MoU Joint Concentrated Inspection Campaign (CIC) on Crew Wages and Seafarer Employment Agreement (MLC, 2006)" |
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| 2024/07/29 | Released TEC-1329 "FuelEU monitoring plan required under the FuelEU Maritime Regulation" |
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| 2024/07/25 | ClassNK releases “ClassNK Technical Journal No.9” |
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| 2024/07/24 | Draft amendments of the Rules and Guidance approved at the 3rd Meeting of the 2024 Technical Committee are now available on our website |
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| 2024/07/05 | Released TEC-1328 "Changes in the Affixation of Class Notation to Ships Using Low-flashpoint Fuels" |
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| 2024/06/28 | Released TEC-1327 "Inspection and certification relating to the entry into force of the 2022 Amendments to the MLC, 2006 on 23 December 2024" |
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| 2024/06/27 | On 27 June 2024, Technical Rules and Guidance were partly amended |
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| | New Technical Rules and Guidance Portal Site |
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| 2024/06/21 | Released TEC-1326 "Measures to reduce the number of PSC detentions and to improve the performance of Panamanian vessels" |
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