Final answer:
Section A: The Counseling Relationship of the ACA Ethical Code (2014) offers guidelines on how to report an ethical violation.
Step-by-step explanation:
The section of the ACA Ethical Code (2014) that offers guidelines on how to report an ethical violation is Section A: The Counseling Relationship. This section addresses the ethical responsibilities of counselors, including their duty to report ethical violations committed by other mental health professionals. It provides guidelines on how to handle such situations in a professional and ethical manner.