definition of key control
Learn about documenting your department's key control activities to mitigate financial errors. As outlined in the required key controls that your department must perform and cerify these controls: A key control is an action your department takes to detect errors or fraud in its financial statements. Your department should already have key financial review and follow-up activities in place. To fulfill documentation requirements, departments should review those activities and identify key controls. The first steps are to determine: 1  Key controls exist.