Which demographic characteristic is explicitly outlined for ethical valuation in the Nondiscrimination section?

The Nondiscrimination section of the Uniform Standards of Professional Appraisal Practice (USPAP) emphasizes the importance of conducting valuations without biases that could stem from demographic characteristics. Age is explicitly highlighted as a demographic characteristic that appraisers must be mindful of to avoid discrimination. This reflects the ethical obligation to provide fair and impartial appraisals across different age groups, ensuring that individuals of all ages receive equal treatment in the valuation process.

In contrast, while credit history, neighborhood location, and occupation can impact the valuation process in a broader context, they are not specifically singled out in the same ethical framework regarding nondiscrimination as age is. Therefore, age stands out as the key characteristic for appraisers to consider in relation to ethical valuation practices.