It's purely a business decision.
(c)Exceptions
The requirements of subsection (b) shall not be construed as prohibiting a mortgage lender, mortgage broker, mortgage banker, real estate broker, appraisal management company, employee of an appraisal management company, consumer, or any other person with an interest in a real estate transaction from asking an appraiser to undertake 1 or more of the following:
(1)Consider additional, appropriate property information, including the consideration of additional comparable properties to make or support an appraisal.
(2)Provide further detail, substantiation, or explanation for the appraiser’s value conclusion.
(3)Correct errors in the appraisal report.