Class Circulars
| Subject | Date | |
Circular on Releasing Inspection Guide for Entering the enclosed spaces on ships (Special Governance Action of MSA) 迎检指南一进入船舶密闭空间(中国海事局专项治理行动) | 12 February,2025 | |
FSClass Circular 202402-Releasing Inspection Guide for CIC on Seafarers' Wages and SEA 迎检指南-海员工资及海员就业协议为主题的集中检查行动 | 15 September,2024 |
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Launching e-Certificates and Methods of Online Verification of Authenticity 关于推行电子证书及网络验证方法的通知 | 28 February,2024 | |
Circular on cautions for fire se paration inspection of ships 关于船舶防火分隔检查注意的通函 | 12 September,2023 |  FSClass Circular 202301关于船舶防火分隔检查注意的通函.pdf |
| FSClass Circular 202201关于现有船能效指数（EEXI）和营运碳强度指标（CII）实施要求的通函 | 12 November 2022 | |
| Mongolia New Logo & Stamp Sample For Registry | 06 January,2020 |
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Latest Requirement of Low Sulfur Fuel 关于低硫油的新要求 |
14 August,2019 |
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Circulars on The Development of a Ship Implementation Plan For The Consistent Implementation of The 0.5% Sulphur Limit 关于编制“统一实施0.5%燃油硫含量限制的船舶实施计划”的通函
| 16 August,2019 |