Timeline

• around 1868
• Issuance of tin subsidiary coins of 1, ½ Pitis, whereas the Spanish Dollar was rated at about 400 Pitis
• 1887-1938
• Currencies of the Straits Settlements:
  - around 1887: Issuance of a copper subsidiary coin of 1 Cent (Straits Settlements currency) without legal basis
  - 17.09.1988: "Treaty of Protection" between Great Britain and Brunei (did not mention currency but established the use of the Straits Settlements currency); effective immediately.
  - 03.12.1905: Protectorate (Residency) Treaty between Great Britain and Brunei (did not mention currency); effective 02.01.1906
  - ??.??.1906: Sultan's proclamation on the sole legal tender status of the Straits Settlements currency and demonetization of the Mexican and British Trade Dollars, as well as the copper-nickel subsidiary coins of North Borneo (exchange within three weeks and at a 5% discount); effective immediately.
• 1939-1967
• Currencies of British Malaya:
  - Ordinance [Currency, No. 23] on the establishment of a Malayan Currency Commission for the Straits Settlements, the Federated Malay States, the Unfederated Malay States, and Brunei; effective 21.10.1938 (money issuance started on 01.01.1939); no (?) local enactment in Brunei
  - 25.01.1942: Ordinance of the Japanese Military Command on the introduction of the Japanese military currency in the occupied territories (also Brunei); effective immediately
  - 01.01.1952: Malaya British Borneo Currency Agreement on extending the jurisdiction of the Malayan Currency Commission to the States of North Borneo and Sarawak on the island of Borneo; effective immediately (money issuance started on 01.01.1952; no (?) local enactment in Brunei.

Timeline

• 28.01.1967
• AH:17.10.1386
• Law [Currency Act, No. 1/Cap. 32, part III] on the establishment of the Brunei Currency Board and the creation of the national currency; effective upon constitution of the board on 12.06.1967 (AH:05.03.1387)
• ??.06.1967
• Agreement between Malaysia, Singapore and Brunei on the mutual recognition of banknotes and coins; effective 12.06.1967
• 22.08.1967
• Start of currency exchange:
  - 22.08.1967: Start of issuance of the new banknotes and coins
  - 16.01.1969: Demonetization of the currency of the Malay Monetary Union.
• 23.06.1973
• Agreement between Singapore and Brunei on the mutual recognition of banknotes and coins (Malaysia had terminated the earlier tri-lateral agreement on 22.05.1973)
• 26.01.2004
• AH:04.12.1424
• Ordinance [Currency and Money Order, No. 16] on the reconstitution of the Currency Board into the "Currency and Monetary Board"; effective 01.02.2004 (AH:10.12.1424)
• 14.12.2010
• AH:08.01.1432
• Ordinance [AMBD Order, No. S103] on the establishment of the "Monetary Authority of Brunei Darussalam (AMBD)"; effective 01.01.2011 (AH:26.01.1432)
• 26.06.2021
• AH:15.11.1442
• Ordinance [AMBD (Amendment) Order, No. S17] on name change for "Monetary Authority of Brunei Darussalam (AMBD)" into Bruei Darussalam Central Bank (BDCB)"; effective immediately

Valuation Regimes

• 1967-
• Fixed rate against Singapore Dollar (since 2018 with a ±15% fluctuation margin)