Timeline

• 07.11.1881
• Royal charter for the British North Borneo Company, included the right to issue a local currency; effective immediately
• ??.??.1882
• Ordinance [No. 1] on the issuance of copper subsidiary coins of 1 Cent to the Spanish (Mexican) Dollar; effective immediately
• ??.??.1885
• Ordinance [No. 4] on the issuance of copper subsidiary coins of ½ Cent to the Spanish (Mexican) Dollar; effective immediately
• 21.03.1886
• Start of issuance of paper money by the British North Borneo Chartered Company
• ??.??.1903
• Ordinance [No. 1] on the issuance of copper-nickel subsidiary coins of 5, 2½, 1 Cents; effective immediately
• 01.01.1914
• Ordinance [Currency, No. 1] on the legal tender; effective immediately. Current were:
  - Paper money of the North Borneo State (unlimited)
  - Straits Settlements Dollar coins in silver (unlimited)
  - North Borneo State subsidiary coins in copper-nickel and copper (limited)
  - Straits Settlements silver subsidiary coins (limited).
• 15.03.1921
• Constitution of the North Borneo State Bank, took over paper money issuance from the government (the notes continued to be in the name of the Company)
• ??.??.1929
• Ordinance [Government notice, No. 82] on the issuance of silver subsidiary coins of 25 Cents; effective immediately
• 1942-1945
• Japanese Occupation:
  - 25.01.1942: Ordinance of the Japanese Military Command on the introduction of the Japanese military currency in the occupied territories; effective immediately. The North Borneo currency was not demonetized and circulated at par with the Military Yen (corresponding to a -50.1% devaluation)
• 30.08.1945
• Ordinance [Proclamation, No. 4] of the British Military Administration, declared the pre-occupation paper moneys sole legal tender for the territories on the Malay Peninsula
  - The Japanese occupation notes were not mentioned, thus were invalidated without compensation
  - Applied to the territories on Borneo (without explicit proclamation?) where thereby the Straits Settlements and Malayan paper money got introduced in the Borneo State.
• ??.??.1951
• Ordinance [Currency, No. 10] on the implementation of the Malaya British Borneo Currency Agreement, introducing the Malaya and British Borneo Dollar as common currency; effective 01.01.1952
• 31.08.1953
• Demonetization of the North Borneo State currency

Valuation Regimes

• 1882-1913
• Fixed rate against silver ("Mexican Silver Dollar")
• 1914-1938
• Fixed rate against Straits Dollar
• 1939-1951
• Fixed rate against Malayan Dollar