Legal basis: China People's Bank Law of the People's Republic of China.
Article 4 The People's Bank of China shall perform the following duties: (1) To issue orders and regulations related to the performance of duties; (2) Formulating and implementing monetary policies according to law; (3) Issuing RMB and managing its circulation; (4) Supervise and manage the interbank lending market and the interbank bond market. (five) the implementation of foreign exchange management, supervision and management of inter-bank foreign exchange market; (six) supervision and management of the gold market; (7) Holding, managing and operating the national foreign exchange reserves and gold reserves; (8) Managing the national treasury; (nine) to maintain the normal operation of the payment and settlement system; (ten) to guide and deploy the anti-money laundering work in the financial industry and be responsible for monitoring the anti-money laundering funds; (eleven) responsible for the statistics, investigation, analysis and forecast of the financial industry; (twelve) as the central bank of the country, engaged in relevant international financial activities; (thirteen) other duties stipulated by the State Council. In order to implement monetary policy, the People's Bank of China may engage in financial business activities in accordance with the relevant provisions of Chapter IV of this Law.
Article 16 The legal tender of People's Republic of China (PRC) is RMB. No unit or individual may refuse to pay all public or private debts in People's Republic of China (PRC) in RMB.