Publications Study on flag State responsibilities and 'open registers' for vessel registration Study on flag State responsibilities and 'open registers' for vessel registration 26 January 2026Our team of experts contributed to the European Commission–funded study on open registries; the study is available via the Publications Office of the European Union (https://op.europa.eu/en/publication-detail/-/publication/33987074-f030-11f0-8d3c-01aa75ed71a1/language-en), and the annex is available via DOI (10.2926/8440014). We thank the Commission officers and external experts for their fruitful cooperation.