Internal Audit Reporting Responsibilities:

Internal audit must maintain open communication with senior management and the board to ensure appropriate handling of fraud-related issues.

Establishing reporting protocols in advance ensures timely and consistent responses when fraud occurs.

Analysis of Other Options:

B. Periodic reporting is optional:Reporting fraud risks is a required responsibility.

C. Non-disclosure:Fails to fulfill the role of internal audit in governance and accountability.

D. No communication with the board:Misrepresents the internal audit ' s role in fraud oversight.

Conclusion:Discussing reporting protocols proactively with senior management and the board is the correct approach.