42 U.S.C. § 12210
(b) Rules of construction Nothing in subsection (a) shall be construed to exclude as an individual with a disability an individual who—
except that it shall not be a violation of this chapter for a covered entity to adopt or administer reasonable policies or procedures, including but not limited to drug testing, designed to ensure that an individual described in paragraph (1) or (2) is no longer engaging in the illegal use of drugs; however, nothing in this section shall be construed to encourage, prohibit, restrict, or authorize the conducting of testing for the illegal use of drugs.
(d) “Illegal use of drugs” defined
(Pub. L. 101–336, title V, § 511, formerly § 510, , 104 Stat. 375; renumbered § 511 and amended Pub. L. 110–325, § 6(a)(2), (3), , 122 Stat. 3558.)
This chapter, referred to in subsecs. (a) and (b), was in the original “this Act”, meaning Pub. L. 101–336, , 104 Stat. 327, which is classified principally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 12101 of this title and Tables.
The Controlled Substances Act, referred to in subsec. (d)(1), is title II of Pub. L. 91–513, , 84 Stat. 1242, which is classified principally to subchapter I (§ 801 et seq.) of chapter 13 of Title 21, Food and Drugs. For complete classification of this Act to the Code, see Short Title note set out under section 801 of Title 21 and Tables.
A prior section 511 of Pub. L. 101–336 was renumbered section 512 and is classified to section 12211 of this title.
2008—Subsec. (c). Pub. L. 110–325, § 6(a)(3), made technical amendment to reference in original act which appears in text as reference to section 12211(b)(3) of this title.
Amendment by Pub. L. 110–325 effective , see section 8 of Pub. L. 110–325, set out as a note under section 705 of Title 29, Labor.