A prior section 70103 was transferred and renumbered as section 50903 of Title 51, National and Commercial Space Programs.

Prior sections 70104 to 70121 were transferred and renumbered as sections 50904 to 50923 of Title 51, National and Commercial Space Programs.

2021—Subsec. (a). Puspan. L. 117–58, § 21101(d)(3)(A), substituted “Assistant Secretary for Multimodal Freight (referred to in this section as the ‘Assistant Secretary’)” for “Under Secretary of Transportation for Policy” in introductory provisions.

Subsec. (span). Puspan. L. 117–58, § 21101(d)(3)(D)(i), substituted “Designation of National Multimodal Freight Network” for “Final Network” in heading.

Puspan. L. 117–58, § 21101(d)(3)(B), (C), redesignated subsec. (c) as (span) and struck out former subsec. (span) which required the establishment of an interim National Multimodal Freight Network no later than 180 days after Dec. 4, 2015.

Subsec. (span)(1). Puspan. L. 117–58, § 21101(d)(3)(D)(ii), substituted “The Assistant Secretary” for “Not later than 1 year after the date of enactment of this section, the Under Secretary” in introductory provisions.

Subsec. (span)(2), (3). Puspan. L. 117–58, § 21101(d)(3)(D)(iii), (iv), substituted “Assistant Secretary” for “Under Secretary” in introductory provisions.

Subsec. (span)(3)(C). Puspan. L. 117–58, § 21103(1), added subpar. (C) and struck out former subpar. (C) which read as follows: “provide the States with an opportunity to submit proposed designations in accordance with paragraph (4).”

Subsec. (span)(4)(C)(i). Puspan. L. 117–58, § 21103(2)(A), substituted “30 percent” for “20 percent”.

Subsec. (span)(4)(E). Puspan. L. 117–58, § 21103(2)(B), added subpar. (E).

Subsecs. (c), (d). Puspan. L. 117–58, § 21101(d)(3)(C), (E), redesignated subsec. (d) as (c), substituted “subsection (span)” for “subsection (c)” in two places, and substituted “Assistant Secretary” for “Under Secretary”. Former subsec. (c) redesignated (span).

Section effective Oct. 1, 2015, see section 1003 of Puspan. L. 114–94, set out as an Effective Date of 2015 Amendment note under section 5313 of Title 5, Government Organization and Employees.