The most important milestones for the MRV and DCS are:

- EU MRV: The verified EU MRV annual emission reports for 2021 should be submitted to the EU Commission by 30 April 2022, and the related documents of compliance should be on board by 30 June 2022.

- IMO DCS: The 2021 year-end reports for IMO DCS should be submitted to the verifier by 31 March 2022, and the Statements of Compliance (SoCs) should be on board by 31 May 2022.

https://www.dnv.com/news/heads-up-on-eu-mrv-and-imo-dcs-in-2022-216596