# 119-s-1642: SEMI Investment Act

119-s-1642, SEMI Investment Act, is a 119th Congress bill sponsored by Sen. Blackburn, Marsha [R-TN] (R-TN); status introduced; PRIA reads it as touching household money (as of 2026-08-06).

- Canonical: https://policyrisk.com/legislation/119-s-1642
- As of: 2026-08-06
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: 119-s-1642
- Congress: 119
- Title: SEMI Investment Act
- Status: introduced
- Introduced: 2025-05-07
- Sponsor: Sen. Blackburn, Marsha [R-TN] (R-TN)
- Cosponsors: 4
- Policy area: Taxation
- Touches household money: yes
- Last recorded action: 2026-08-06

## Summary

**Expands the advanced manufacturing investment tax credit to include materials used in semiconductor production.** The bill would redefine "advanced manufacturing facility" to cover sites that primarily make semiconductors, semiconductor manufacturing equipment, or semiconductor materials, and it creates detailed categories for materials that qualify as direct or indirect production materials. - Manufacturers: Semiconductor fabs and equipment makers could use the Section 48D credit for investments tied to materials like silicon and other substrate materials, thin film or layering materials, packaging substrates, and bonding or interconnect materials. - Material suppliers and assemblers: Producers of process chemicals, photolithography supplies, cleaning and testing materials, packaging compounds, and wafer-handling components could qualify under the new "indirect production materials" category if those products meet the definitions. - Compliance and certainty for businesses: The Secretary, in consultation with the Commerce Secretary, would publish a list within 180 days and then annually of qualifying direct and indirect materials, and taxpayers could petition for interim determinations on materials not on the list. - Timing: The expansion would apply to property placed in service after enactment of the Act.

## Cosponsors (4)

- Sen. Bennet, Michael F. [D-CO] (D-CO), 2025-05-07T00:00:00.000Z
- Sen. Tillis, Thomas [R-NC] (R-NC), 2025-05-07T00:00:00.000Z
- Sen. Coons, Christopher A. [D-DE] (D-DE), 2025-05-07T00:00:00.000Z
- Sen. Blunt Rochester, Lisa [D-DE] (D-DE), 2026-08-04T00:00:00.000Z

## Provisions PRIA read

- Semiconductor investment tax credit: benefit, high. If enacted, this bill would expand the advanced manufacturing investment credit to cover semiconductor production. It would treat factories that mainly make semiconductors, semiconductor equipment, or semiconductor materials as qualifying advanced manufacturing facilities. It would add clear defini…

## Related bills

- 119-s-4744: Take Care of America’s Veterans Act
- 119-s-1748: Kids Online Safety Act
- 119-s-1241: Sanctioning Russia Act of 2025
- 119-s-199: A bill to amend the Internal Revenue Code of 1986 to provide special rules for the taxation of certain residents of Taiwan with income from sources within the…
- 119-s-1816: Improving Seniors’ Timely Access to Care Act of 2025
- 119-s-1289: 25th Anniversary of 9/11 Commemorative Coin Act

## Sources
- [119-s-1642 on Congress.gov](https://www.congress.gov/bill/119th-congress/senate-bill/1642)

## Related
- [119-s-4744: Take Care of America’s Veterans Act](https://policyrisk.com/legislation/119-s-4744)
- [119-s-1748: Kids Online Safety Act](https://policyrisk.com/legislation/119-s-1748)
- [119-s-1241: Sanctioning Russia Act of 2025](https://policyrisk.com/legislation/119-s-1241)
- [119-s-199: A bill to amend the Internal Revenue Code of 1986 to provide special rules for…](https://policyrisk.com/legislation/119-s-199)
- [119-s-1816: Improving Seniors’ Timely Access to Care Act of 2025](https://policyrisk.com/legislation/119-s-1816)
- [119-s-1289: 25th Anniversary of 9/11 Commemorative Coin Act](https://policyrisk.com/legislation/119-s-1289)
- [All bills in Congress](https://policyrisk.com/legislation)

Source: PRIA, https://policyrisk.com/legislation/119-s-1642 (as of 2026-08-06).