ISM News

From ISM News Update nr. 137: Deadlines emissions data 2025

December 2025

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.

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