(a) Discrimination based on genetic information
It shall be an unlawful employment practice for an employer —(2) to limit, segregate, or classify the employees of the employer in any way that would deprive or tend to deprive any employee of employment opportunities or otherwise adversely affect the status of the employee as an employee, because of genetic information with respect to the employee.
(b) Acquisition of genetic information
It shall be an unlawful employment practice for an employer to request, require, or purchase genetic information with respect to an employee or a family member of the employee except —(2) where —
(B) the employee provides prior, knowing, voluntary, and written authorization;
(C) only the employee (or family member if the family member is receiving genetic services) and the licensed health care professional or board certified genetic counselor involved in providing such services receive individually identifiable information concerning the results of such services; and
(D) any individually identifiable genetic information provided under subparagraph (C) in connection with the services provided under subparagraph (A) is only available for purposes of such services and shall not be disclosed to the employer except in aggregate terms that do not disclose the identity of specific employees;
(4) where an employer purchases documents that are commercially and publicly available (including newspapers, magazines, periodicals, and books, but not including medical databases or court records) that include family medical history;
(5) where the information involved is to be used for genetic monitoring of the biological effects of toxic substances in the workplace, but only if —
(B)
(ii) the genetic monitoring is required by Federal or State law;
(D) the monitoring is in compliance with —
(ii) State genetic monitoring regulations, in the case of a State that is implementing genetic monitoring regulations under the authority of the Occupational Safety and Health Act of 1970 (29 U.S.C. 651 et seq.); and
(c) Preservation of protections
In the case of information to which any of paragraphs (1) through (6) of subsection (b) applies, such information may not be used in violation of paragraph (1) or (2) of subsection (a) or treated or disclosed in a manner that violates section 2000ff–5 of this title.(Pub. L. 110–233, title II, § 202, May 21, 2008, 122 Stat. 907.)


