There never seemed to be any uniformity with how its measured. 

Purpose two is for the protection of the owners of the real estate through the concept of uniformity and conformity standards. 

While I believe most in our chosen trade(s) are already familiar with the word or term “Appraisal”, it can’t hurt to provide some clarity: According to the most recent edition of Merriam-Webster’s On-Line Dictionary:Appraise - to set a value on; to estimate the amount of; to evaluate the worth, significance, or status of; to give an expert judgment of the value or merit of.Appraisal - an act or instance of appraising something or someone; a valuation of property by the estimate of an authorized person.Appraising - making or expressing a critical judgment or evaluation.Within the realm of real estate valuation, the Uniform Standards of Professional Appraisal Practice: 2020-21 (USPAP) offers the following applicable definitions:Appraisal (Noun) – the act or process of developing an opinion of value.Appraiser – one who is expected to perform valuation services competently and in a manner that is independent, impartial, and objective.Appraisal Assignment – a valuation service that is provided by an appraiser as a consequence of an agreement with a client.Report – any communication, written or oral, of an appraisal or appraisal review that is transmitted to the client or a party authorized by the client upon completion of an assignment.

@Danny Garbe there's no uniform standard as each sponsor develops their own reporting practices. 

Those requirements include Building Code, Washington State Energy Code, Uniform Plumbing Code and the Municipal Code.2.

Examples of a Broker default include, but are not limited to (1) abandonment of Landlord, (2) failure to fulfill all material obligations of Broker, and (3) failure to fulfill all material Uniform Duties (§ 5) or, if the Landlord Agency box at the top of page 1 is checked, the failure to fulfill all material Additional Duties Of Landlord’s Agent (§ 6).

The process of a vendor takeback is pretty uniform across jurisdictions.

@Jamie Turbyne, what we saw during the last recession was that prices compressed, rather than dropped uniformly.

Home heating oil tanks are NOT federally-regulated. as i said, the extent of regulation varies with the state depending on size of the tank. small home heating oil tanks also dont have to be registered like gasoline tanks from gas stations or larger oil heating tanks that service apartment buildings or commercial buildings. the point is that regulation of home heating oil tanks is not as uniform as gasoline or diesel tanks used to fuel vehicles or used to heat large buildings.  

Coupled with migration data from the ACS, this can be a very powerful dataset to use when attempting to predict future housing prices, vacancy, and absorption rates.Federal Bureau of Investigation: Uniform Crime Reporting (UCR)The Uniform Crime Reporting (UCR) program compiles official data on crime in the United States, published by the Federal Bureau of Investigation (FBI).