This addition to the "PARSEC Guides" series examines the role of management systems and the corresponding audit process. The author explains in detail how to: plan and implement an effective audit programme; when an audit is or is not appropriate; develop the skills required; handle uncooperative auditees; deal with discrepancies; use checklists as a tool for auditing; report findings; to decide what records to keep. A feature of the author"s approach is the attention paid to communication skills, including questioning techniques and body language throughout, and by appendices of specimen checklists and control procedures.