Info Bulletin 06/2026 — Tokyo MOU Revised Methodology for Flag State and RO Performance
GB ISR has issued Info Bulletin 06/2026 outlining the Tokyo MOU’s revised methodology for calculating Flag State and Recognized Organization (RO) per...
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 conclusion of the Agreement Governing the Delegation of...
INFO BULLETIN Nr.01/2026, 12/01/2026 Subject: New Year’s Statement of the General Ships Registrar Guinea-Bissau International Ships Registry
The Guinea-Bissau International Ships Registry (GB ISR) enters the New Year marking the successful completion of its fourth year of operations, with...
Issuance of Info Bulletin Nr.07/2025 – 17/09/2025: GB ISR Hosts IMO IMSAS Audit in Piraeus
The Guinea-Bissau International Ships Registry successfully hosted the IMO IMSAS Audit at its Piraeus offices (10–12 September 2025), reaffirming its...
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 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...