Based on Law No. 22/1999, the formation of Riau Islands province
Based on Law No. 22/1999, the formation of Riau Islands province rests on approval from the governor and legislature of the Riau mainland, along with an assessment evaluating the islands' economic potential, cultural and political climate, as well as population and geographic size. Final requirements are recommendations from the Regional Autonomy Board (DPOD), and founding legislation.