Start of the Annual report verification of IMO Data Collection Systems for fuel oil consumption of ships (IMO DCS) Tec No.:TEC- 1198 (34kb) Contact:Ship Management Systems Department Issued:14 Feb 2020 As informed by ClassNK Technical Information No. TEC-1139 and 1187, the Amendments to MARPOL Annex VI entered into force on 1st March 2018 and Data collection system for fuel oil consumption of ships (IMO DCS) is applied to ships of 5,000 gross tonnage and above, for which the Ship Energy Efficiency Management Plan (SEEMP) is required to be retained on board. IMO DCS requires the companies: 1. to collect each ship's fuel consumption data and relevant parameters according to the methodology included in the SEEMP Part II from the calendar year 2019, 2. to aggregate the collected data, and report to the Administration or RO within three(3) months after the end of each calendar year and the data shall be verified by the Administration or RO, 3. in the e