Issuance of IMO Technical Service Circular No. 02/2026 on Safeguarding Flag State IntegrityThe Guinea-Bissau International Ships Registry (G-B ISR) has issued Technical Service Circular No.... Read more April 16, 2026
GB ISR – Easter Holiday NoticeOn the occasion of the upcoming Orthodox Easter, the Guinea-Bissau International Ships Registry (G-... Read more April 9, 2026
Marine Notice 01/2026, 05-03-2026: Subject: “Heightened Maritime Security Risk – Strait of Hormuz, Arabian Gulf, Gulf of Oman and Adjacent Sea Areas”The Guinea-Bissau International Ships Registry (GB ISR) announces the issuance of Marine Notice No.... Read more March 30, 2026
Office Closure – Clean Monday (23 February 2026)We would like to inform you that the offices of the Guinea-Bissau International Ships Registry (G-B... Read more February 20, 2026
INFO BULLETIN 02/2026: GB ISR Awards Recognized Organization (RO) Authorization to Isthmus Bureau of Shipping (IBS)The International Ships Registry of Guinea-Bissau (G-B ISR) is pleased to announce the formal concl... Read more February 16, 2026
INFO BULLETIN Nr.01/2026, 12/01/2026 Subject: New Year’s Statement of the General Ships Registrar Guinea-Bissau International Ships RegistryThe Guinea-Bissau International Ships Registry (GB ISR) enters the New Year marking the successful... Read more January 16, 2026
Marine Circular Nr. 01/2026, 15/01/2026Subject: “Revision of the Declaration of Maritime Labour Compliance (DMLC) – Part I – Introductionof Revised DMLC Part I (Rev. 02) and Validity Period”We are pleased to announce that the International Ships Registry of Guinea-Bissau (GB ISR) has issu... Read more January 16, 2026
Christmas Message – Seasonal Greetings from GB ISRThe Guinea-Bissau International Ships Registry (GB ISR) extends its warmest wishes to all our custo... Read more December 19, 2025
GB ISR Issues IMO Technical Service Circular TSC 02-2025 on Revised IMO Counter Piracy GuidanceThe Guinea-Bissau International Ships Registry (GB ISR) has issued Technical Service Circular TSC 0... Read more October 10, 2025
Marine Notice No. 06/2025 – Updated List of Recognized P&I Clubs and InsurersThe Guinea-Bissau International Ships Registry (G-B ISR) has issued Marine Notice No. 06/2025, prov... Read more October 8, 2025
Issuance of Marine Notice No. 05/2025The Guinea-Bissau International Ships Registry (G-B ISR) has issued Marine Notice No. 05/2025, date... Read more October 1, 2025
Issuance of Info Bulletin Nr.07/2025 – 17/09/2025: GB ISR Hosts IMO IMSAS Audit in PiraeusThe Guinea-Bissau International Ships Registry successfully hosted the IMO IMSAS Audit at its Pirae... Read more September 18, 2025
Notification on the Issuance of Marine Notice 04/2025 – Policy for Appointment of Flag State Inspectors / SurveyorsThe Guinea-Bissau International Ships Registry (G-B I.S.R.) has issued Marine Notice 04/2025, estab... Read more August 27, 2025
Notification on the issuance of Marine Notice 03/2025: Records Management Policy of the G-B I.S.R. for Flag State FunctionsThe Guinea-Bissau International Ships Registry (G-B I.S.R.) has issued Marine Notice 03/2025, estab... Read more August 5, 2025
Official Publication: G-B I.S.R. Maritime Strategy for Flag State Implementation of IMO InstrumentsThe Guinea-Bissau International Ships Registry (G-B I.S.R.) is pleased to announce the official rel... Read more July 14, 2025
New Marine Notice Issued (No. 01/2025) – Advancing IMO Compliance & TransparencyThe Guinea-Bissau International Ships Registry (GB ISR) is pleased to announce the issuance of Mari... Read more July 7, 2025
New Info Bulletin – Accreditation of the Permanent Mission of Guinea-Bissau to the IMOThe Guinea-Bissau International Ships Registry (G-B ISR) is pleased to announce the publication of... Read more June 12, 2025
IMO Mission to Guinea-Bissau Lays Groundwork for Maritime Single Window at Port of BissauThe Guinea-Bissau International Ships Registry (GB ISR) is pleased to share the official press rele... Read more May 23, 2025