The IRS Is Considering a Superfund Tax on a Phthalate
Published Date: 5/14/2025
Notice
Summary
The IRS got a request to add a chemical called linear nonyl undecyl phthalate to the list of substances that get a Superfund tax. This means companies dealing with this chemical might pay extra taxes if the change happens. People have until July 14, 2025, to share their thoughts or ask for a public hearing before any decision is made.
Analyzed Economic Effects
1 provisions identified: 0 benefits, 1 costs, 0 mixed.
Petition to Add Chemical to Superfund Tax List
A petition filed April 8, 2025 by Exxon Mobil Corporation asks that linear nonyl undecyl phthalate be added to the list of taxable substances under Internal Revenue Code section 4672(a). The petition includes a petitioner-calculated Superfund tax rate of $7.89 per ton and identifies HTSUS 3812.20.10.00, Schedule B 3812.20.0000, and CAS 68515-43-5; comments or requests for a public hearing are due July 14, 2025.
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