At independence in 1975, the government converted the local branch of the Portuguese colonial bank, Banco Nacional Ultramarino, into the National Bank of São Tomé and Príncipe, which took on the functions of central bank, development bank, and commercial bank. The government created a monobank by bringing the only other commercial bank in the country, the Banco Popular de Angola (formerly Banco Comercial de Angola and now Banco de Poupança e Crédito), under the control of Banco Nacional and by merging its savings bank, the Caixa de Crédito.