Shipping compliance guides
Short guides to the rules behind our calculators. Every number on them comes from the same rule and data files as the calculators, and every rule names its article.
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Compliance calendar
The yearly EU MRV, EU ETS, FuelEU Maritime and IMO DCS / CII deadlines, each with the article that sets it.
Rules checked on 2026-10-11
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EU ETS for shipping
Which ships and emissions the EU ETS covers, the phase-in, deadlines, penalties and a worked example.
Rules checked on 2026-10-19
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FuelEU Maritime
The GHG intensity limit, compliance balance, penalties, banking, borrowing, pooling and deadlines, with a worked example.
Rules checked on 2026-10-19