News & Analysis as of

Toxic Chemicals Superfund Excise Tax

Bergeson & Campbell, P.C.

IRS Modifies List of Taxable Chemical Substances to Include 21 Chemicals

On August 4, 2025, the Internal Revenue Service (IRS) published a notice of determinations that modifies the list of taxable substances to include the following 21 substances: polyphenylene sulfide, cellulose acetate (degree...more

BakerHostetler

Overview of Proposed Regulations Superfund Taxes

BakerHostetler on

On March 29, the IRS and U.S. Treasury Department (Treasury) published proposed regulations regarding the recently reinstated Superfund chemical taxes (Proposed Regulations) and set a May 28 deadline for comments. The...more

Eversheds Sutherland (US) LLP

The Superfun(d) continues! IRS issues comprehensive Superfund chemical excise tax guidance

On March 27, 2023, the Treasury Department (Treasury) and the Internal Revenue Service (IRS) issued much anticipated proposed regulations, REG-105954-22 (Proposed Regulations), and additional guidance in the form of Revenue...more

Holland & Knight LLP

Infrastructure Investment and Jobs Act Revitalizes Superfund Tax on Chemicals

Holland & Knight LLP on

The Infrastructure Investment and Jobs Act (IIJA), signed by President Joe Biden on Nov. 15, 2021, revives an excise tax last effective in 1995 on the sale or use of 42 identified chemicals as well as certain substances...more

BakerHostetler

IRS Provides Initial and Limited Guidance on Newly Reinstated ‘Superfund Tax’

BakerHostetler on

Last month, the IRS published Notice 2021-66, issued in response to the Infrastructure Investment and Jobs Act’s (Jobs Act) reinstatement of the previously expired “Superfund Tax”—an excise tax imposed on manufacturers,...more

Snell & Wilmer

What Will EPA Do with Its New Superfund Money?

Snell & Wilmer on

The Senate’s bipartisan infrastructure bill, which passed Aug. 10, contains a provision that would bring back an excise tax that expired in 1995 on a lengthy list of raw chemicals. House Democrats also want it to cover crude...more

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