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Superfund Tax on Chemical Substances; Notice of Determinations To Add Substances to List of Taxable Substances; Corrected Name and Tax Rate for Sodium Nitrilotriacetate Monohydrate
Local Title:
/
Country/Region:
United States
Competent Authority:
Internal Revenue Service (IRS)
Type:
Notice
Status:
In force
Release Date:
2025-08-04
Implementation Date:
2026-01-01
Document
Language Source Title Access
EN
 Official Superfund Tax on Chemical Substances; Notice of Determinations To Add Substances to List of Taxable Substances; Corrected Name and Tax Rate for Sodium Nitrilotriacetate Monohydrate
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Summary

The U.S. Internal Revenue Service (IRS) announced on August 4, 2025, the addition of 21 new taxable substances to the Superfund tax list, bringing the total to 172. The new tax rates for these substances will take effect on January 1, 2026.

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