 Extraordinary assumptions and hypothetical conditions

In the field of real estate appraisal, extraordinary assumptions and hypothetical conditions are two closely related types of assumptions which are made as predicating conditions of an appraisal problem.Under the Uniform Standards of Professional Appraisal Practice (USPAP), they are two of the assignment conditions on which an appraisal assignment is predicated, the others being general assumptions, laws & regulations, supplemental standards, jurisdictional exceptions, and other conditions affecting scope of work.