Final answer:
The Complaints Director cannot gather private, confidential information unrelated to the complaint, privileged communications, or irrelevant details during their review.
Step-by-step explanation:
The Complaints Director's role is to assess complaints made against a professional or an organization. During their review, there may be certain types of information that the Complaints Director is not permitted to gather. This could include private, confidential information not related to the complaint, information protected by privilege such as lawyer-client communications, or information that is irrelevant to the nature of the complaint. The Complaints Director must adhere to legal and professional standards, ensuring that only pertinent and lawful information is collected to make a fair determination.