Fair lending is the prohibition on credit discrimination. Two statutes carry it. The Equal Credit Opportunity Act, implemented by Regulation B, prohibits discrimination in any credit transaction on a prohibited basis: race, color, religion, national origin, sex, marital status, age, the applicant's receipt of public assistance, or the good-faith exercise of rights under the consumer credit laws. The Fair Housing Act prohibits discrimination in residential real-estate transactions, including mortgages, on a partly overlapping set of bases. Discrimination is proven three ways: overt evidence, comparative evidence of disparate treatment, and disparate impact, where a neutral policy falls more harshly on a prohibited-basis group without a justified business necessity.
Fair lending is the area where good intentions are not a defense. A lender can have no intent to discriminate and still violate the law if a neutral policy produces a disparate impact it cannot justify. That is what makes fair lending a data-and-analysis discipline as much as a policy one. This guide covers the two statutes, the prohibited bases, the methods of proof, adverse action notices, redlining, and where fair-lending programs fall short.
The two statutes
Two laws do most of the work. The Equal Credit Opportunity Act, implemented by Regulation B, applies to all credit, consumer and commercial. The Fair Housing Act applies to residential real-estate-related transactions, including mortgage lending. A mortgage can be covered by both. They overlap but are not identical, so a complete program checks against each.
The prohibited bases
Under ECOA and Regulation B, a creditor may not discriminate against an applicant on any of the prohibited bases.
- Race or color
- Religion
- National origin
- Sex (including sexual orientation and gender identity)
- Marital status
- Age, provided the applicant has the capacity to contract
- The applicant's receipt of income from a public assistance program
- The applicant's good-faith exercise of any right under the consumer credit protection laws
The Fair Housing Act covers a partly overlapping set, including race, color, religion, sex, national origin, familial status, and disability, in the residential real-estate context.
The three methods of proof
| Method | What it shows |
|---|---|
| Overt evidence | An explicit statement of a discriminatory preference or policy, whether or not it is acted on. |
| Comparative evidence of disparate treatment | Similarly situated applicants treated differently on a prohibited basis, even without an explicit statement. |
| Disparate impact | A facially neutral policy that falls more harshly on a prohibited-basis group and is not justified by a business necessity that could not be met a less discriminatory way. |
Disparate impact is the one that catches well-intentioned lenders, because it does not require intent. A policy that looks neutral can still violate the law through its effects.
Adverse action notices
Regulation B requires a creditor that takes adverse action, such as denying or revoking credit or changing its terms unfavorably, to notify the applicant, generally with a statement of the specific reasons or notice of the right to obtain them. The adverse action notice is both a consumer right and a fair-lending control, because consistent, accurate reasons make disparate treatment visible.
Redlining
Redlining is a form of discrimination where a lender avoids or provides unequal access to credit in particular geographic areas because of the prohibited-basis characteristics of the people who live there, rather than the creditworthiness of the applicants. It is analyzed through the lender's marketing, branch placement, and lending patterns across geographies.
Where it goes wrong
- No disparate-impact testing. The program checks for overt and comparative discrimination but never analyzes whether neutral policies produce disparate effects.
- Inconsistent adverse action reasons. Denial reasons are applied inconsistently, which is the signature of disparate treatment.
- Discretion without monitoring. Loan officers or models have pricing or underwriting discretion that is never tested across prohibited-basis groups.
Fair lending is where neutral policies have to be tested for their effects, not just their intent. For the structure that manages it, see the Compliance Management System guide; for the cross-cutting standard that can also reach unfair credit practices, see the UDAAP guide.
Primary sources
- Equal Credit Opportunity Act (15 U.S.C. 1691) and Regulation B (12 CFR 1002): The fair-lending statute prohibiting credit discrimination on a prohibited basis, and its implementing regulation.
- Fair Housing Act (42 U.S.C. 3601 et seq.): The companion fair-lending statute prohibiting discrimination in residential real-estate transactions, including mortgage lending.
- CFPB Supervision and Examination Manual, Compliance Management Review: The CFPB's framework for a Compliance Management System: board and management oversight plus a compliance program of policies and procedures, training, monitoring and audit, and consumer complaint response.