Timeline

• 09.10.1952
• Government decree [(Peraturan) No. 44], suspends the application of the Indonesian 1951 currency act in Riau and allows the use of foreign money (i.e. the Malayan Dollar); effective immediately

Timeline

• 06.04.1963
• Presidential decision [(Penetapan) No. 9] on the introduction of the special currency for Riau; no effective date
• 10.10.1963
• Presidential decree [(Peraturan) No. 21] on the demonetization of the Malayan Dollar and the introduction of a "special Rupiah currency"; effective immediately
• 15.10.1963
• Start of currency exchange:
  - 15.10.1963: Start of issuance of the new banknotes and coins
  - 30.11.1963: Demonetization of the Malayan currency.
• 27.06.1964
• Presidential decision [(Penetapan) No. 3] on the introduction of the Indonesian currency; effective 01.07.1964
• 01.07.1964
• Start of currency exchange:
  - 01.07.1964: Start of issuance of Indonesian banknotes and coins
  - 30.09.1964: Demonetization of the interim Riau currency.

Valuation Regimes

• 1963-1964
• Parity with the Malaya and British Borneo Dollar, therefore fixed against the US Dollar.
  The Riau currency was not valid in the rest of Indonesia, the conversion between Indonesian and Riau currency was done at 1 Riau Rupiah = 14.70 Indonesian Rupiah plus an "exchange subsidy" of 88.20 Indonesian Rupiah: effectively 1 Riau Rupiah = 102.90 Indonesian Rupiah.
  - After the devaluation of 17.04.1964 the "exchange subsidy" was raised to 149.47 Indonesian Rupiah: effectively 1 Riau Rupiah = 164.17 Indonesian Rupiah (nominal rate would be 169.87).