
 
 
October 11, 2022
The Americans with Disabilities Act: A Brief Overview
The Americans with Disabilities Act (ADA), 42 U.S.C. 
What Is a “Disability” Under the ADA?  
§§ 12101 et seq., prohibits disability discrimination in many 
The ADA defines disability as “a physical or mental 
areas of life, from work to public services to commercial 
impairment that substantially limits one or more major life 
business. With some exceptions, the ADA covers every 
activities,” “a record of such an impairment,” or “being 
type of disability, including those that are physical, 
regarded as having such an impairment.” 42 U.S.C. 
psychological, and emotional. Covered entities must do 
§ 12102(1). In other words, a person might experience 
more than refrain from negative treatment of people with 
discrimination due to a current, past, or assumed disability. 
disabilities. The ADA requires changes to policies and the 
removal of barriers that prevent people with disabilities 
An impairment is any physiological or psychological 
from enjoying equal opportunity. The ADA has three 
disorder or condition. Impairments can include everything 
primary titles covering three main areas of public life: 
from cosmetic disfigurements to intellectual disabilities to 
employment, government services, and public 
contagious illnesses. But not every medical or physical 
accommodations. Each title provides distinct protections, 
condition is a disability. It must “substantially limit” a 
procedures, and remedies. This In Focus briefly reviews the 
“major life activity” (unless the individual makes a claim 
ADA’s history and the key components of the three primary 
based on being “regarded as” disabled). The ADA directs 
titles. 
that this is not a demanding standard. “Major life activities” 
include basic activities and senses, such as walking, 
History 
hearing, seeing, standing, or learning; and bodily functions, 
While it is perhaps the most familiar disability rights 
such as the immune system, endocrine system, or 
statute, the ADA was not the first. The Architectural 
neurological function. A person has a disability if they are 
Barriers Act of 1968 (ABA), 42 U.S.C. §§ 4151 et seq., was 
limited in a major life activity compared to most people. 
the first federal law to call for any entity to take affirmative 
steps to eliminate disability access barriers. The ABA 
Congress has advised that the term “disability” should be 
requires most facilities newly constructed, altered, leased, 
construed broadly, and that litigation under the ADA should 
or financed by the federal government to be accessible to 
focus mainly on whether discrimination has occurred, not 
people with physical disabilities. 
on whether a person is actually disabled. 
The Rehabilitation Act of 1973, 29 U.S.C. §§ 701 et seq., a 
The ADA does not allow people without disabilities to 
much broader statute, was the first federal law to address 
bring claims based on someone with a disability being 
disability discrimination beyond physical access. Section 
treated more favorably than them. 
504 of the Rehabilitation Act, as amended, prohibits 
disability discrimination in federal and federally funded 
Title I: Employment 
programs and activities. The Rehabilitation Act remains the 
Title I of the ADA prohibits employers, including public 
primary disability rights law in the federal sector, as the 
employers, with 15 or more employees from discriminating 
ADA does not apply to most parts of the federal 
against qualified individuals with disabilities in the “terms, 
government. 
conditions, and privileges of employment.” 42 U.S.C. 
§ 12112(a). A person is “qualified” when, either with or 
The ADA and its implementing regulations incorporate 
without reasonable accommodations, they can perform the 
many concepts developed by Section 504 and apply them to 
essential functions of a job. Disability discrimination 
state and local governments and many private actors. 
includes disparate treatment, disparate impact, and the 
Courts recognize that the ADA is modeled after Section 
denial of reasonable accommodations.  
504 and tend to interpret the two laws consistently. In 
passing the ADA and thereby expanding Rehabilitation Act 
Disparate treatment occurs when an employer takes an 
protections to these other actors, Congress recognized that 
adverse employment action based on a person’s disability. 
disability discrimination remained “serious and pervasive” 
Disparate impact is the use of neutral standards, rules, or 
and announced its intention “to provide a clear and 
methods of administration that screen out or adversely 
comprehensive national mandate” to achieve its 
affect the employment opportunities or status of people 
elimination. 42 U.S.C. § 12101(a)(2), (b)(1). 
with disabilities. Everything from physical requirements to 
inflexible break or leave policies to the use of inaccessible 
Beyond the ADA, other federal disability laws apply to 
software could be included. Practices that have a disparate 
specific areas, such as housing, education, and voting.  
impact on qualified individuals with disabilities are 
permissible only if an employer can show that they are job 
related and necessary for business. 
https://crsreports.congress.gov 
The Americans with Disabilities Act: A Brief Overview 
Employers must also provide reasonable accommodations, 
The Department of Justice (DOJ) is the primary 
that is, “[m]odifications or adjustments . . . that enable an 
enforcement agency for Title II, although it coordinates 
individual with a disability” to do the job. 29 C.F.R. 
with other agencies, particularly those that fund relevant 
§ 1630.2(o)(1). Examples can include removing physical 
public entities. Victims of discrimination may file an 
barriers, job restructuring, transfers to other positions, and 
administrative complaint before a lawsuit, but they do not 
the provision of auxiliary aids and services (i.e., 
have to. The remedies under Title II derive from those 
communication aids). Employers must engage in an 
under Section 504. Claimants can recover some types of 
interactive process with employees to determine what 
monetary damages (which are uncapped) against localities 
accommodations are available and reasonable.  
for intentional discrimination. Courts have not resolved the 
extent to which damages are available against states. Unlike 
Employers need not provide accommodations that they 
Title I, courts increasingly find that emotional distress 
show pose undue administrative or financial hardship. 
damages are unavailable under Title II. Injunctive relief and 
Under this standard, an employer does not have to make a 
attorney’s fees are available for any claim. 
fundamental alteration to its business to accommodate an 
employee. An employer also need not allow a direct threat 
Title III: Public Accommodations 
to health or safety, when that threat cannot be mitigated by 
Title III bars disability discrimination in public 
an accommodation. What accommodation may be 
accommodations: businesses and nonprofits open to the 
reasonable and whether it poses an undue hardship, 
public. The ADA defines public accommodations 
fundamental alteration, or direct threat requires a highly 
categorically, that is, it spells out 12 basic types of covered 
fact-specific and individualized inquiry. 
private entities, including, for example, sales or rental 
establishments, places of public gathering, and service 
The Equal Employment Opportunity Commission (EEOC) 
establishments. 42 U.S.C. § 12181(7). Title III prohibits 
primarily enforces Title I. Title I claimants must file a 
discrimination “on the basis of disability in the full and 
complaint with the EEOC or with a similar state agency 
equal enjoyment of the goods, services, facilities, 
before going to court. The remedies for Title I violations 
privileges, advantages, or accommodations of any place of 
are the same as those under Title VII of the Civil Rights Act 
public accommodation by any person who owns, leases (or 
of 1964, covering employment discrimination based on 
leases to), or operates a place of public accommodation.” 
race, sex, and religion. Successful claimants can receive 
42 U.S.C. § 12182(a). Title III also requires disability 
injunctive relief (i.e., orders that certain acts be taken, such 
access in educational and professional courses and testing. 
as reinstatement or policy changes), attorney’s fees, and, in 
some cases, monetary relief (subject to certain caps). 
As in other parts of the ADA, discrimination under Title III 
Monetary relief is unavailable against state employers. 
includes disparate treatment, disparate impact, and the 
denial of reasonable modifications. Much like Title II, 
Title II: State and Local Government 
public accommodations generally must serve people with 
Title II prohibits public entities from discriminating against 
disabilities in integrated settings and ensure effective 
qualified individuals with disabilities. A public entity is any 
communication. Whereas Title II requires a public entity to 
state or local government and their agencies. (Specific 
defer to some extent to a disabled person’s preferred 
provisions of Title II apply to public transportation and are 
communication aid, Title III requires public 
not addressed here.) These entities may not subject people 
accommodations only to consult with the disabled person to 
with disabilities to discrimination or discriminate in their 
determine the appropriate approach. 
“services, programs, or activities.” 42 U.S.C. § 12132. Title 
II applies to everything from public education to sidewalk 
When it comes to architectural barriers, both Title II and 
accessibility to public health programs to prisons. 
Title III require new construction to meet accessibility 
standards. Title III uniquely requires covered entities to 
Individuals must be “qualified,” either with or without 
improve physical accessibility in pre-ADA facilities if to do 
reasonable modifications, to participate in public programs 
so is “readily achievable,” that is, “easily accomplishable” 
or receive services. Like Title I, discrimination under Title 
and not too expensive. 42 U.S.C. § 12181(9). 
II includes disparate treatment, disparate impact, and the 
denial of reasonable modifications. Public entities must also 
DOJ primarily enforces Title III. Claimants may first file a 
provide programs “in the most integrated setting 
complaint with DOJ, or they can simply go to court. 
appropriate to the needs of qualified individuals with 
Damages are unavailable under Title III, except in lawsuits 
disabilities.” 28 C.F.R. § 35.130(d). They thus must avoid 
brought by DOJ. Aside from attorney’s fees, successful 
unnecessarily institutionalizing or segregating people with 
litigants are entitled to injunctive relief. 
disabilities. Covered entities must also communicate with 
people with disabilities as effectively as they communicate 
Considerations for Congress 
with others and must respect a disabled person’s preferred 
Disability discrimination is regulated by a complex set of 
communication aids and services. 
statutes—not only the ADA, but the ABA, Rehabilitation 
Act, and several others. Many of these laws cross-reference 
As under Title I, public entities need not provide 
each other. When legislating in this area, Congress may 
modifications they show pose a fundamental alteration or 
consider whether to amend multiple statutes. Within the 
undue burden, nor need they allow a direct threat to safety 
ADA itself, different rules apply to different contexts. 
that a reasonable modification cannot mitigate.  
Congress may also consider, when passing new laws, if it 
https://crsreports.congress.gov 
The Americans with Disabilities Act: A Brief Overview 
wants uniformity or context-specific procedures, rules, and 
Abigail A. Graber, Legislative Attorney   
remedies. 
IF12227
 
 
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