Why?Container losses are a growing concern and impact the navigational safety, the marine environment, and supply chain integrity. These new regulations create a standardised reporting framework, ensuring information flow between vessels, coastal authorities, and flag States is efficiently achieved.Who does it apply to?All ships carrying one or more containers.Any vessel observing drifting containers.What does it include?Immediate Reporting: Masters must report container loss or sightings without delay to:Nearby vesselsThe nearest coastal StateThe ship’s flag StateCompany Responsibility: If the vessel cannot report, the operating company must take over.Flag State Action: Once informed, flag States must notify IMO via GISIS.What to Include in Reports?General Details: Time/date (UTC), ship identity, message number.Position: Latitude/longitude or bearing from a landmark.Container Information: Number lost or observed, type (e.g., reefer), dimensions, and whether dangerous goods are involved.Additional Data: Cargo description, wind/current conditions, estimated drift, and sea state.A “final” message confirming verified numbers must follow initial reports after inspection.