The internal audit charter is a formal document that defines the purpose, authority, and responsibility of the internal audit activity. It establishes the internal audit activity's position within the organization, authorizes access to records, personnel, and physical properties relevant to the performance of engagements, and defines the scope of internal audit activities. Final approval of the internal audit charter by the board ensures that there is a clear understanding and agreement on how the internal audit activity should function, thus supporting objectivity in carrying out its duties.
The Institute of Internal Auditors (IIA) - International Standards for the Professional Practice of Internal Auditing

An internal audit charter is a formal document that defines the internal audit activity's purpose, authority, and responsibility. According to IIA standards, the charter should also establish the internal audit activity's position within the organization, including the nature of the chief audit executive's functional reporting relationship with the board. This helps ensure that the internal audit activity has sufficient authority and resources, and that there is appropriate oversight by the board.
The Institute of Internal Auditors (IIA) - International Professional Practices Framework (IPPF) - Standards regarding audit charter

The primary purpose of The IIA ' s Code of Ethics is to establish principles and expectations governing the behavior of individuals and organizations in the conduct of internal auditing. The Code of Ethics sets out the ethical principles that guide the professional and personal conduct of internal auditors, promoting an ethical culture within the profession. References: Institute of Internal Auditors (IIA) - Code of Ethics

In a competitive retail environment where sales teams are incentivized to meet or exceed targets, there is a significant risk of data manipulation. Employees may falsify sales records, inflate numbers, or engage in other unethical behaviors to ensure they receive bonuses. This is a common issue in environments with high stakes and rewards tied to performance metrics, as the pressure to succeed can lead individuals to manipulate data to appear more successful than they actually are. Therefore, management should closely monitor data integrity and implement strong controls to detect and prevent such manipulation. References: The IIA's International Standards for the Professional Practice of Internal Auditing (Standards), specifically Standard 2120 - Risk Management, and COSO's Internal Control - Integrated Framework.

The internal audit charter should include the Definition of Internal Auditing, along with the Core Principles, Code of Ethics, and Standards. This definition provides clarity on the purpose, authority, and responsibility of the internal audit function within the organization. References:
* IIA's International Professional Practices Framework (IPPF) - Internal Audit Charter requirements.