At the 81st session of the Marine Environment Protection Committee (MEPC81), MARPOL Annex VI was amended and additional reporting items in the DCS Regulations were approved. Subsequently, at the 82nd session of the Marine Environment Protection Committee (MEPC82), the guidance on application was approved and, the schedule for application has been finalized.

1. Overview of additional monitoring items in IMO-DCS

The following items are newly included in the reporting items.
- Total fuel oil consumption per combustion systems (main engines, auxiliary engines/generators and oil-fired boilers);
- Total fuel oil consumption while the ship is not under way;
- Laden distance travelled (on a voluntary basis);
- Transport work;
- Total amount of on-shore power supplied; and
- Category of Innovative energy efficiency technologies.

Relevant IMO documents can be found at the following URL

MEPC Resolution 385(81)
Amendment to Annex VI of the MARPOL Convention:
https://www.classnk.or.jp/hp/pdf/activities/statutory/seemp/eexi_MEPC_385_81.pdf

MEPC Resolution 388(81)
Amendments to the Guidelines for the Preparation of Ship Energy Efficiency Management Plans for 2022:
https://www.classnk.or.jp/hp/pdf/activities/statutory/seemp/seemp-mepc81-388.pdf

2. Application schedule and procedures
In accordance with MEPC.1 Circ.913(Link below), please update data collection procedure, including additional reporting items, according to the following schedule;

Vessels in service as of August 1, 2025: Start January 1, 2026
Vessels to be built on or after August 1, 2025: Start from the time of completion

(To be continued)