Brunei Darussalam Central Bank
Brunei's central bank, responsible for currency issuance, monetary policy, financial supervision, and financial-system stability.
Last updated August 24, 2026
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Overview
Brunei Darussalam Central Bank (BDCB) is the monetary authority and central bank of Brunei. It is responsible for issuing and managing the country's currency, formulating and implementing monetary policy, supporting domestic price stability, supervising financial institutions, and promoting the soundness and resilience of the financial system. The institution operates as a public authority rather than a commercial banking brand and is not listed on a stock exchange. BDCB's institutional history is rooted in Brunei's currency administration arrangements. The Brunei Currency Board was established on 12 June 1967, when Brunei introduced the Brunei dollar after the previous Malaya and British Borneo dollar arrangements changed. The currency transition took place alongside the Currency Union Agreement involving Malaysia, Singapore, and Brunei. Although the wider interchangeability arrangements evolved, Brunei and Singapore have retained a Currency Interchangeability Agreement under which their currencies remain exchangeable at par. This relationship has continued to be an important feature of Brunei's monetary framework. The Currency Board was reorganized as the Brunei Currency and Monetary Board in 2004 under the Currency and Monetary Order 2004. That body continued to administer currency matters, while also providing a more developed institutional basis for monetary and financial administration. The evolution included the issue of commemorative and polymer banknotes, including B$50 and B$100 notes with enhanced security features. The Brunei Darussalam Central Bank Order 2010 created the Monetary Authority of Brunei Darussalam, known by the Malay name Autoriti Monetari Brunei Darussalam, or AMBD. The new authority began operating on 1 January 2011. Its remit extended beyond currency administration to monetary-policy development, financial-institution oversight, and broader central-bank functions. In 2021, following approval by Sultan Hassanal Bolkiah, the authority was renamed Brunei Darussalam Central Bank. The new name and related legislation took effect in June 2021, while the institution's core responsibilities remained substantially continuous. BDCB also works with other monetary and supervisory authorities. Its cooperation with the Monetary Authority of Singapore covers areas including financial-sector collaboration, and later arrangements with the Bank of Thailand and the Bank of Laos addressed central-bank cooperation and regional payment connectivity. Cooperation agreements with Singapore include information sharing and cross-border supervisory coordination for banks and insurers operating in the two jurisdictions. In 2024, BDCB and the Bank of Laos formally joined the Regional Payment Connectivity initiative through an additional memorandum concerning regional payment connectivity. As Brunei's central bank, BDCB's principal public-facing functions include currency management, financial regulation, prudential supervision, and measures intended to preserve confidence in the financial system. Its operating scope is domestic, although its policy and supervisory work is connected to regional financial cooperation across Southeast Asia.
History
The institutional origins of Brunei Darussalam Central Bank lie in the country's post-colonial currency administration. On 12 June 1967, Brunei established the Brunei Currency Board and introduced the Brunei dollar. The new currency replaced the Malaya and British Borneo dollar following changes to the regional currency arrangements involving Malaysia, Singapore, and Brunei. The three currencies initially remained interchangeable under the relevant arrangements, but Malaysia ended its currency interchangeability arrangement with Singapore and Brunei in 1973. Brunei and Singapore, however, preserved their bilateral Currency Interchangeability Agreement, under which the two currencies continue to be exchangeable at par. The Currency Board was reorganized on 1 February 2004 under the Currency and Monetary Order 2004 and renamed the Brunei Currency and Monetary Board. The change provided a broader institutional framework for currency administration and monetary management. The Minister of Finance served as chairman, while the chief executive officer acted as secretary and managed the board's operations. During this period, the monetary authority issued new polymer B$50 and B$100 notes with additional security features, reflecting the continuing modernization of Brunei's currency system. The next major institutional transition came through the Brunei Darussalam Central Bank Order 2010. The order established the Monetary Authority of Brunei Darussalam, or Autoriti Monetari Brunei Darussalam (AMBD), which began operating on 1 January 2011. AMBD combined traditional currency-board responsibilities with a wider central-bank and supervisory mandate. Its functions included developing and implementing monetary policy, overseeing financial institutions, administering currency matters, promoting domestic price stability, and supporting the stability of the financial system through prudential standards and financial regulation. Regional cooperation remained part of the authority's work. In 2007, Singapore and Brunei marked the 40th anniversary of their currency arrangement with jointly issued commemorative $20 notes. AMBD and the Monetary Authority of Singapore later updated their bilateral cooperation memorandum in January 2020. The two authorities subsequently strengthened arrangements for banking and insurance supervision, including information exchange and cross-border on-site inspections. In June 2021, following approval by Sultan Hassanal Bolkiah, AMBD was renamed Brunei Darussalam Central Bank. The new name was publicly announced on 26 June, and the associated central-bank legislation took effect on the following day. The rebranding did not represent a transfer to a private owner or a commercial banking group; it formalized the institution's central-bank identity while retaining its existing public responsibilities. BDCB has continued to develop international and regional central-bank relationships. In December 2022, it signed a cooperation memorandum with the Bank of Thailand. In February 2023, BDCB and the Monetary Authority of Singapore signed a further memorandum focused on cooperation in the supervision of banks and insurers. In February 2024, BDCB and the Bank of Laos completed additional documentation concerning Regional Payment Connectivity, formally joining that initiative. These arrangements illustrate BDCB's role not only as Brunei's domestic monetary authority but also as a participant in Southeast Asian financial and payment-system cooperation.
- 2024
BDCB joins Regional Payment Connectivity
[1]BDCB and the Bank of Laos completed additional documentation that formally brought both institutions into the Regional Payment Connectivity initiative.
- 2021
Authority renamed Brunei Darussalam Central Bank
[1]AMBD adopted the BDCB name in June 2021, with related legislation coming into effect the following day after the public announcement.
- 2011
Monetary Authority of Brunei Darussalam begins operations
[1]The authority created by the 2010 central-bank order began operating on 1 January, taking on monetary-policy and financial-supervision responsibilities.
- 2004
Currency Board becomes Brunei Currency and Monetary Board
[1]The Currency and Monetary Order 2004 rechartered the Brunei Currency Board as the Brunei Currency and Monetary Board on 1 February.
- 1973
Malaysia ends the broader interchangeability arrangement
[1]Malaysia ended its currency interchangeability arrangement with Singapore and Brunei, while the separate Singapore–Brunei agreement remained in force.
- 1967
Brunei Currency Board established
[1]The Brunei Currency Board was established on 12 June, and Brunei introduced the Brunei dollar as its national currency.
Products and positioning
National central bank and financial supervisory authority
National currency · 1967
Brunei dollar
The Brunei dollar is the national currency administered and issued through Brunei's monetary authority. Its institutional history dates to 1967, when the Brunei Currency Board introduced it after the previous Malaya and British Borneo dollar arrangements changed. Brunei's currency remains linked to Singapore through the bilateral Currency Interchangeability Agreement, supporting exchangeability between the Brunei and Singapore dollars at par.
Currency notes
Brunei dollar banknotes
BDCB and its predecessor institutions manage Brunei's banknote system, including the design, issuance, and security characteristics of notes. Earlier institutional work included the release of polymer B$50 and B$100 notes with enhanced security measures. Banknotes are a central public-facing output of the authority rather than a commercial product line.
Financial regulation · 2011
Financial regulatory and supervisory framework
BDCB develops and administers prudential standards and financial regulations for Brunei's financial sector. Its supervisory remit covers financial institutions and includes cooperation with foreign authorities on information sharing and cross-border supervision, particularly in banking and insurance.
Marketing campaigns
- 2007Singapore–Brunei 40th anniversary commemorative note issue
Brunei · Singapore
Singapore and Brunei marked 40 years of their Currency Interchangeability Agreement with a joint commemorative issue of $20 notes.
Outcome. The issue highlighted the continuing bilateral monetary relationship and the shared history of the two currencies.
Brand decisions
2024
Participation in Regional Payment ConnectivityStrategyBackground
Regional central banks have been developing arrangements intended to improve cross-border payment connectivity in Southeast Asia.
Action taken
BDCB and the Bank of Laos signed additional pages to the memorandum on regional payment connectivity on 29 February 2024.
Aftermath
The two central banks formally joined the Regional Payment Connectivity initiative.
2021
Renaming to Brunei Darussalam Central BankStrategyBackground
The authority's existing central-bank and supervisory functions were retained, but the government adopted a name that more directly identified its role as Brunei's central bank.
Action taken
Following royal approval, AMBD was renamed Brunei Darussalam Central Bank, with new central-bank legislation taking effect in June 2021.
Aftermath
BDCB continued the monetary, currency, and financial-supervision responsibilities previously exercised by AMBD.
2011
Launch of the Monetary Authority of Brunei DarussalamStrategyBackground
Brunei's 2010 central-bank legislation created a monetary authority with responsibilities extending beyond currency administration to monetary policy and financial supervision.
Action taken
The Monetary Authority of Brunei Darussalam began operations on 1 January 2011.
Aftermath
The institution became the main public authority for Brunei's currency, monetary-policy, and financial-regulatory functions until its 2021 renaming as BDCB.
Recent events
- 2024
Brunei Darussalam Central Bank joins Regional Payment Connectivity[1]
Other
BDCB and the Bank of Laos signed additional pages to a regional payment-connectivity memorandum, formally bringing the two institutions into the Regional Payment Connectivity initiative.
- 2023
BDCB and Singapore monetary authority expand banking and insurance supervision cooperation[1]
Regulation · Other
A memorandum between BDCB and the Monetary Authority of Singapore established enhanced cooperation involving information sharing and cross-border on-site supervision of banks and insurers.
- 2022
Brunei Darussalam Central Bank and Bank of Thailand sign cooperation memorandum[1]
Other
The managing directors of the Bank of Thailand and BDCB signed a memorandum intended to strengthen cooperation between the two central banks.
- 2021
Brunei's monetary authority becomes Brunei Darussalam Central Bank[1]
Leadership change · Other
Following royal approval, the Monetary Authority of Brunei Darussalam adopted the name Brunei Darussalam Central Bank, with related legislation taking effect shortly afterward.
- 2020
Monetary Authority of Brunei Darussalam and Monetary Authority of Singapore update cooperation framework[1]
Other
AMBD and the Monetary Authority of Singapore signed an updated memorandum of understanding covering further cooperation between the two authorities.
- 2007
Singapore and Brunei mark four decades of currency interchangeability with commemorative notes[1]
Other
The monetary authorities of Singapore and Brunei commemorated the 40th anniversary of their Currency Interchangeability Agreement through a joint issue of B$20 and S$20 commemorative notes.
Sources1 sources
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