The most likely reason the Chief Audit Executive (CAE) decided to prepare an audit memorandum for management of the logistics department is to allow management to address the identified weakness timely. An audit memorandum serves as a formal communication that highlights the issue and provides management with the necessary details to understand and address the control weakness promptly. This approach facilitates immediate corrective action, thereby reducing the risk associated with the identified weakness.

The Institute of Internal Auditors (IIA) Standard 2420 – Quality of Communications: "Communications must be accurate, objective, clear, concise, constructive, complete, and timely."

IIA Practice Guide on "Engagement Communication"