Final answer:
Detection controls are specific procedures designed to identify errors within organizations and can differ significantly from one client to another.
Step-by-step explanation:
The subject of the question is related to internal control systems within organizations, specifically focusing on detection controls. These controls are procedures and techniques designed to identify errors or irregularities that have occurred. To answer the question, detection controls can indeed vary from client to client, which implies that they are not standardized across different organizations. However, the extent of how they vary may differ from one context to another. The correct answer would reflect the most accurate representation of the variability of detection controls compared to other types of controls.