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USPAPHARD18.2% of exam

An extraordinary assumption was reasonably supported, properly used and disclosed in an appraisal report. Later, the assumed information is found to be false. Which conclusion is best supported?

Correct Answer

B) The conclusions may no longer be reliable

A false extraordinary assumption can undermine the opinions that relied on it, so their reliability and any needed response must be reassessed. It does not automatically establish that the original appraisal was defective, mandate a fee refund or require a second appraiser. Proper disclosure alone does not establish compliance: the assumption also needed a reasonable basis and a use consistent with credible analysis. Disclosure does not eliminate the appraiser’s professional responsibilities.

Answer Options
A
The report was defective when it was issued
B
The conclusions may no longer be reliable
C
The appraiser must refund the fee received
D
The client must commission a second appraisal

Why This Is the Correct Answer

Option B is correct because an extraordinary assumption is uncertain information that, if found to be false, could alter the appraiser's opinions or conclusions. When it proves false, the opinions that relied on it may no longer be reliable and should be reassessed. The appraiser then considers what response is appropriate.

Why the Other Options Are Wrong

Option A: The report was defective when it was issued

Option A says the report was defective when it was issued. If the assumption was reasonably supported, properly used and disclosed, its later failure does not by itself establish that the original report was defective.

Option C: The appraiser must refund the fee received

Option C says the appraiser must refund the fee received. USPAP does not mandate a fee refund simply because a properly used extraordinary assumption later proves false.

Option D: The client must commission a second appraisal

Option D says the client must commission a second appraisal. A false assumption can call the results into question, but it does not by itself require the client to order another appraisal.

False Assumption, Shaky Results

An extraordinary assumption is a support beam under the conclusions. If that beam proves false, the conclusions resting on it may not hold.

How to use: Use this image when a question asks what happens once an assumed fact proves untrue.

Exam Tip

Choose the measured answer about reliability. Options that declare the report defective or require refunds or new appraisals overstate the consequence.

Common Mistakes to Avoid

  • -Concluding the original report was defective because the assumption later failed
  • -Believing disclosure alone makes an extraordinary assumption compliant
  • -Assuming a refund or second appraisal is required by USPAP

Concept Deep Dive

Analysis

This question tests the consequences when a properly supported extraordinary assumption later proves false. By definition, an extraordinary assumption concerns uncertain information that, if found to be false, could alter the appraiser's opinions or conclusions. The best-supported conclusion is that the opinions relying on it may no longer be reliable, not that the original report was defective or that specific remedies are mandatory.

Background Knowledge

An extraordinary assumption may be used when it is required for credible results, has a reasonable basis, results in a credible analysis and is properly disclosed. Disclosure tells intended users that the results depend on that assumption. If the assumption turns out to be false, the results that depended on it may change.

Real-World Application

An appraiser values a home assuming, with a reasonable basis, that a well produces adequate water, and discloses this extraordinary assumption. A later test shows the well is inadequate. The value opinion that relied on the assumption may no longer be reliable, and the client may need to reconsider its use of the report.

extraordinary assumptionreliabilityUSPAPassignment resultsdisclosure
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