The Central Bank of the Congo is responsible for developing and maintaining the Congolese franc, which serves as the primary form of currency in the Democratic Republic of the Congo. In 2007, The World Bank decided to grant the Democratic Republic of Congo up to $1.3 billion in assistance funds over the following three years. The Congolese government started negotiating membership in the Organization for the Harmonization of Business Law in Africa (OHADA), in 2009.