The dates that matter across carbon markets and climate rules, each with its status and the legal text or standard it comes from. What is law, what is adopted but not yet in force, and what is only proposed are labelled separately and never mixed.
Operators, aircraft operators and shipping companies surrender allowances covering their verified 2025 emissions. The deadline moved from 30 April to 30 September from 2024.
Operators submit their 2026 emissions reports, verified by an accredited verifier, to their competent authority.
Allowances covering verified 2026 emissions are surrendered.
The feed updates itself in Google Calendar, Outlook and Apple Calendar when a date or status changes here. Add it by URL rather than importing the file, so changes reach you.
Dates known only to the year appear on this page but stay out of the feed, which needs a real day.
This calendar gives general information from the legal texts and standards cited. It is not legal or regulatory advice.
Source: each entry's own legal text or standard · Dates verified 25 September 2026