Supervision of banks address concerns of security and financial health of banks individually, rationale of prudential regulation of banks is concern for the safety of the banking system as a whole and, ultimately, the economy. If, after performing surveillance actions, the National Bank of Romania breaches the law and prudential regulations or a precarious financial situation, it can apply a range of sanctions: written warning given bank, limiting the bank's operations, withdrawal of approvals data bank managers, withdrawing permit such bank, and a number of remedial measures, including measures establishing special supervision of the bank or its special administration. [ABSTRACT FROM AUTHOR]