The Newly Appointed Chief Audit Executive (CAE) of a Large

The newly appointed chief audit executive (CAE) of a large multinational corporation, with seasoned internal audit departments located around the world, is reviewing responsibilities for engagement reports. According to IIA guidance, which of the following statements is true?

A) The CAE is required to review, approve, and sign every engagement report.
B) The CAE is required to review, approve, and sign all regulatory compliance engagement reports only
C) The CAE may delegate responsibility for reviewing, approving and signing engagement reports, but should review the reports after they are issued.
D) The internal audit charter must identify authorized signers of engagement reports.