CHAPTER IIMONITORING AND REPORTING
SECTION 3 Monitoring of CO2 emissions and other relevant information
Article 8Monitoring of activities within a reporting period
From 1 January 2018, companies shall, based on the monitoring plan assessed in accordance with Article 13(1), monitor CO2 emissions for each ship on a per-voyage and an annual basis by applying the appropriate method for determining CO2 emissions among those set out in Part B of Annex I and by calculating CO2 emissions in accordance with Part A of Annex I.