An appraiser believes, but cannot verify, that a property is not subject to environmental contamination. If this belief is critical to the credibility of the assignment results, this represents:
Correct Answer
B) An extraordinary assumption
Why this is correct: An extraordinary assumption, per USPAP, is an assumption directly related to a specific assignment that, if found to be false, could alter the appraiser's opinions or conclusions. Assuming no environmental contamination without verification is a classic example, as its falsity would significantly impact value. Why the other choices are wrong: "A hypothetical condition" is wrong; that involves assuming a condition contrary to known facts (e.g., assuming contamination is cleaned up when it is known to exist). "An extraordinary assumption" is correct. "A jurisdictional exception" is wrong; this is a rare provision for conflicts between USPAP and law. "Standard appraiser practice" is wrong; assuming critical, unverified facts is not standard practice and requires disclosure. Exam tip: Extraordinary assumption = uncertain fact presumed true. Hypothetical condition = known fact presumed different.
Why This Is the Correct Answer
Option B is correct because the appraiser believes (but cannot verify) that no environmental contamination exists, which fits the exact definition of an extraordinary assumption. The assumption is critical to the assignment's credibility since environmental issues would significantly impact property value. According to USPAP, extraordinary assumptions must be disclosed when they could affect the assignment results, which is clearly the case here. The appraiser is presuming uncertain information (absence of contamination) to be factual without verification.
Why the Other Options Are Wrong
Option A: A hypothetical condition
A hypothetical condition involves assuming something that is known to be contrary to fact or uncertain but treated as fact for a specific purpose (like 'assuming the property were vacant'). Here, the appraiser genuinely believes no contamination exists rather than creating a hypothetical scenario for analysis purposes.
Option C: A jurisdictional exception
A jurisdictional exception occurs when law or regulation precludes compliance with a part of USPAP, requiring the appraiser to follow legal requirements instead. This situation involves an assumption about property condition, not a conflict between USPAP and legal requirements.
Option D: Standard appraiser practice
While environmental considerations are part of standard practice, making unverified assumptions about contamination status without proper disclosure is not standard practice. USPAP requires disclosure of extraordinary assumptions, making this more than routine appraiser practice.
EXTRA-ordinary = EXTRA uncertain
Remember 'EXTRA-ordinary assumptions deal with EXTRA uncertainty' - when you can't verify something but believe it to be true, it's extraordinary. Think 'I BELIEVE but can't ACHIEVE verification = EXTRAORDINARY assumption.'
How to use: When you see a question about unverified beliefs that are critical to value, immediately think 'BELIEVE but can't ACHIEVE verification' and select extraordinary assumption.
Exam Tip
Look for key phrases like 'believes but cannot verify,' 'assumes to be true,' or 'critical to assignment results' - these signal extraordinary assumptions. Don't confuse with hypothetical conditions which involve known contrary-to-fact scenarios.
Common Mistakes to Avoid
- -Confusing extraordinary assumptions with hypothetical conditions
- -Thinking environmental assumptions are always standard practice without disclosure requirements
- -Believing that personal inspection alone eliminates the need for assumption disclosure
Concept Deep Dive
Analysis
This question tests understanding of USPAP's definitions of extraordinary assumptions versus hypothetical conditions. An extraordinary assumption is made when an appraiser believes something to be true but cannot verify it, and this assumption is critical to the assignment's credibility. The key distinction is that extraordinary assumptions deal with uncertain information that the appraiser presumes to be factual, while hypothetical conditions involve assumptions that are known to be contrary to fact or are uncertain but treated as fact for analytical purposes. Environmental contamination status is often uncertain and requires the appraiser to make assumptions about the property's condition when verification is not possible or practical.
Background Knowledge
USPAP defines extraordinary assumptions as assumptions directly related to a specific assignment that presume uncertain information to be factual, and if found false, could alter the appraiser's opinions or conclusions. These must be disclosed in the appraisal report when they could affect the assignment results.
Real-World Application
In practice, appraisers frequently encounter situations where environmental assessments aren't available, requiring them to assume no contamination exists based on visual inspection and available information. This assumption must be clearly disclosed in the report since discovery of contamination could dramatically affect the property's value and marketability.
More USPAP Questions
Which statement best defines a hypothetical condition under USPAP?
According to the Competency Rule, if an appraiser lacks the knowledge and experience to complete an assignment competently, which action is NOT acceptable?
An appraiser runs only the sales comparison approach on a standard tract home and omits the cost and income approaches. Under Standard 1 this is:
A value opinion for a subdivision as if fully built out two years from now is what kind of assignment, and what does it require?
A hypothetical condition differs from an extraordinary assumption in that a hypothetical condition:
An appraiser must disclose in the certification whether they have:
A client-imposed requirement — 'use only comps from our approved list' — is best described as:
Under Standard 1, when developing a real property appraisal, an appraiser must:
The certification required by Standards Rule 2-3 must be signed by:
According to Standard 1, when developing an opinion of market value, an appraiser must analyze:
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