The date of enactment of the Transportation Equity Act for the 21st Century, referred to in subsecs. (a)(1), (2) and (b)(1)(A), (3), (4), is the date of enactment of Pub. L. 105–178, which was approved June 9, 1998.

The effective date of this section, referred to in subsec. (a)(1), (2), (3)(B)(i), is Nov. 5, 1990. See section 333(e) of Pub. L. 102–143, set out as a note below.

The Controlled Substances Act, referred to in subsecs. (a)(3)(A)(i)(I) and (c)(2)(A), is title II of Pub. L. 91–513, Oct. 27, 1970, 84 Stat. 1242, as amended, 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.

1998—Subsec. (a)(1), (2). Pub. L. 105–178, § 1103(l)(3)(E)(i), substituted “(5) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century) of” for “(5) of” before “section 104 (b)”.

Subsec. (b)(1)(A)(i). Pub. L. 105–178, § 1103(l)(3)(E)(ii)(I), substituted “section 104 (b)(5)(A) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century)” for “section 104 (b)(5)(A)”.

Subsec. (b)(1)(A)(ii). Pub. L. 105–178, § 1103(l)(3)(E)(ii)(II), substituted “section 104 (b)(5)(B) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century)” for “section 104 (b)(5)(B)”.

Subsec. (b)(1)(A)(iii). Pub. L. 105–178, § 1103(l)(3)(E)(i), substituted “(5) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century) of” for “(5) of” before “section 104 (b)”.

Subsec. (b)(3). Pub. L. 105–178, § 1103(l)(3)(E)(ii)(IV), substituted “section 104 (b)(5) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century)” for “section 104 (b)(5)” in concluding provisions.

Subsec. (b)(3)(A). Pub. L. 105–178, § 1103(l)(3)(E)(ii)(I), substituted “section 104 (b)(5)(A) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century)” for “section 104 (b)(5)(A)”.

Subsec. (b)(3)(B). Pub. L. 105–178, § 1103(l)(3)(E)(ii)(III), substituted “(5)(B) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century)” for “(5)(B)”.

Subsec. (b)(4). Pub. L. 105–178, § 1103(l)(3)(E)(ii)(IV), substituted “section 104 (b)(5) (as in effect on the day before the date of enactment of the Transportation Equity Act for the 21st Century)” for “section 104 (b)(5)”.

1992—Pub. L. 102–388 amended section generally, substituting “Beginning in fiscal year 1994” for “After second calendar year” as subsec. (a)(1) heading, “paragraphs (1), (3), and (5)” for “paragraphs (1), (2), (5), and (6)” in subsec. (a)(1) and (2), “Beginning in fiscal year 1996” for “After fourth calendar year” as subsec. (a)(2) heading, “paragraph (1), (3), or (5)” for “paragraph (1), (2), or (6)” in subsec. (b)(1)(A)(iii), and “paragraph (1), (3), or (5)(B)” for “paragraph (1), (2), (5)(B), or (6)” in subsec. (b)(3)(B).

Section 327(b) of Pub. L. 102–388 provided that: “The amendments made by subsection (a) of this section [amending this section] shall take effect November 5, 1990.”

Section 333(e) of Pub. L. 102–143 provided that: “The amendments made by subsection (a) of this section [enacting this section] shall take effect November 5, 1990.”

Pub. L. 102–240, title I, § 1094, Dec. 18, 1991, 105 Stat. 2025, provided that:

“(a) Study.—The Secretary shall conduct a study of State efforts to comply with the provisions of section 333 of the Department of Transportation and Related Agencies Appropriations Acts, 1991 and 1992 [section 333 of Pub. L. 102–143 (1992 Act) enacted this section and provisions set out as a note above and repealed section 333 of Pub. L. 101–516 (1991 Act) which amended section 104 of this title and enacted provisions set out as a note thereunder], relating to revocation and suspension of drivers’ licenses.

“(b) Report.—Not later than December 31, 1992, the Secretary shall transmit to Congress a report on the results of the study conducted under this section.”