The Letter to Express Disappointment is a crucial business communication tool used in Australian business contexts when formal documentation of concerns is necessary while maintaining professional relationships. This document type is particularly relevant when there's a need to address unmet expectations, substandard service delivery, or behavioral issues in a professional setting. The letter should be drafted with careful consideration of Australian defamation laws, privacy regulations, and consumer protection legislation. It serves multiple purposes: documenting concerns, seeking resolution, and maintaining a paper trail for potential future reference. The tone should remain professional and constructive, focusing on facts rather than emotional language, and should clearly outline the issue, its impact, and desired resolution. This document type is commonly used in business-to-business communications, client relationships, vendor management, and internal organizational matters.

1. Letterhead and Date: Professional letterhead including sender's details and current date

2. Recipient Details: Full name, title, and address of the recipient

3. Subject Line: Clear, specific reference to the matter of disappointment

4. Opening Paragraph: Professional greeting and brief context of the relationship or situation

5. Issue Statement: Clear, factual description of the disappointing situation or behavior

6. Impact Description: Explanation of how the situation has affected you, your business, or relationship

7. Expected Resolution: Clear statement of what you would like to see happen going forward

8. Closing Statement: Professional closing that maintains the possibility of continued relationship

9. Signature Block: Your name, title, and contact information