The document discusses internal control systems and the COSO framework. It provides details on the following:
1. There are three main categories of internal controls - financial, operational, and compliance controls. The COSO framework defines internal control and its objectives.
2. The COSO framework has five main elements - control environment, risk assessment, control activities, information and communication, and monitoring. These elements work together to help ensure objectives are met.
3. Internal audit is an independent function that examines and evaluates internal controls to provide assurance on their effectiveness and efficiency. Internal auditors may review various areas including financial and operational controls, compliance, risk management, and value for money.