Which of the following is NOT a federal antidiscrimination law specifically mentioned in the Nondiscrimination section of the ethics rule?

The Dodd-Frank Act is primarily focused on financial regulation and consumer protection in the wake of the 2008 financial crisis and does not specifically address antidiscrimination in the same context as the other laws listed. The Fair Housing Act, Civil Rights Act of 1866, and Equal Credit Opportunity Act all directly pertain to prohibiting discrimination in housing and credit practices based on protected characteristics. These laws are critical components of the legal framework that supports fair treatment in these domains, whereas the Dodd-Frank Act does not include provisions that relate to specific antidiscrimination protections in housing or lending. This distinction makes it clear why the Dodd-Frank Act is not listed as a federal antidiscrimination law in the context of the Nondiscrimination section of the ethics rule.