What is the primary purpose of the Advisory Opinion 21 in USPAP?

The primary purpose of Advisory Opinion 21 in the context of USPAP is to clarify appraiser responsibilities regarding user expectations. This Opinion helps appraisers understand how their work is perceived by users and emphasizes the importance of clear communication about the scope of work and assumptions made in the appraisal process. It elucidates the need for appraisers to manage the expectations of users effectively by providing necessary disclosures, which is crucial for professional integrity and for ensuring that users have a realistic understanding of the appraisal's purpose and boundaries. This guidance fosters transparency, which is fundamental in building trust between appraisers and their clients.

Other options, while they may pertain to the realm of appraisal practice, do not specifically address the core intent of Advisory Opinion 21, which centers around user expectations and the responsibilities of appraisers in relation to those expectations.