ISM News
From ISM News Update nr. 137: Deadlines emissions data 2025
December 2025
Other news from this ISM News Update:
- Medical Affairs – Update of Appendix 5 of the Regulations Safety Seagoing Vessel
- Safety Improvement Sheet No. 09 – Power Management System (PMS)
- Updated Maintenance and Safety Requirements for Lifesaving Equipment
- Changes to the IAMSAR Manual from January 1, 2026
- IMO resolution MSC.560 (108) – changes regarding Basic Safety Training (Refresher)
Deadlines for submitting 2025 shipping emissions data approaching
Submission Deadlines (Application Infographic)
FuelEU
- January 31, 2026 – The ship-specific FuelEU report must be submitted to your accredited verifier.
- March 31, 2026 – The ship-specific FuelEU report must be verified.
- April 30, 2026 – The FuelEU report data must be marked as verified in THETIS by your accredited verifier.
EU MRV
- March 31, 2026 – Ship- and company-level emissions data must be submitted to the THETIS platform and marked as verified by an accredited verifier.
EU ETS
- March 31, 2026 – Verified company-level emissions data (reported in THETIS under EU MRV) must be entered into the EU registry by a regulated entity.
UK MRV
- March 31, 2026 – Annual emissions data must be submitted to the verifier.
- April 30, 2026 – Data must be verified by an accredited verifier. IMO DCS & CII
- May 31, 2026 – Annual emissions data must be verified, and a declaration of conformity must be issued on behalf of the government.
- June 30, 2026 – Submission of verified data to the IMO GISIS platforms on behalf of the government by the verifier.



