Christmas Message – Seasonal Greetings from GB ISR
The Guinea-Bissau International Ships Registry (GB ISR) extends its warmest wishes to all our customers, business partners, and stakeholders for a Me...
Notification on the issuance of Marine Notice 03/2025: Records Management Policy of the G-B I.S.R. for Flag State Functions
The Guinea-Bissau International Ships Registry (G-B I.S.R.) has issued Marine Notice 03/2025, establishing the official Records Management Policy app...
Official Publication: G-B I.S.R. Maritime Strategy for Flag State Implementation of IMO Instruments
The Guinea-Bissau International Ships Registry (G-B I.S.R.) is pleased to announce the official release of Marine Notice 02/2025, titled “G-B I.S.R....
IMO Mission to Guinea-Bissau Lays Groundwork for Maritime Single Window at Port of Bissau
The Guinea-Bissau International Ships Registry (GB ISR) is pleased to share the official press release from the International Maritime Organization (...
Notification on the Issuance of Info Bulletin No. 04/2025:
“Tokyo MoU 2024 Annual Report – Flag State Performance of the Guinea-Bissau International Ships Registry (G-B I.S.R.)”The Guinea-Bissau Internati...
Notification on the Issuance of Info Bulletin No. 03/2025:“Update on P&I Coverage and Insurance Providers”
The Info Bulletin informs upon updates on P&I Coverage and Insurance Providers for G-B I.S.R. in regards with recent information published by the...
Notification on the Issuance of Technical Service Circular No. 01/2025: “Key Outcomes of IMO HTW 11 – STCW Oversight and Verification Process & Measures Against Fraudulent Certificates”
This Technical Service Circular provides an overview of key outcomes from the 11th session of the IMO Sub-Committee on Human Element, Training and Wa...
Notification on the Issuance of Info Bulletin No. 02/2025:“ICS Annual Flag State Performance Table 2024/2025 – Recognition of Guinea-Bissau’s Growing Flag Performance”
The present Info Bulletin informs upon the Annual Flag State Performance Table for 2024/2025, an authoritative industry reference assessing the adher...
Establishment of a Permanent Mission of Guinea-Bissau to the IMO
The Guinea-Bissau International Ships Registry (G-B ISR) is pleased to announce the establishment of the Republic of Guinea-Bissau’s Permanent Missio...
Marine Circular 06/2024: “Mandatory Financial Security and Voluntary Declaration of Maritime Labour Compliance (DMLC) Part I for Vessels Below 500 GT”
GSR OFC MAR CIR 06-2024 v. 20-12-24Download