Methacrylate Copolymer in Styrene Faces Tax Proposal
Published Date: 1/14/2026
Notice
Summary
The IRS got a request to add a special chemical mix called methyl methacrylate-ethyl methacrylate-methacrylic acid copolymer in a styrene solution to the list of substances that get taxed under the Superfund program. Companies dealing with this chemical might see new tax rules if it’s added. People have until March 16, 2026, to share their thoughts or ask for a public hearing before any decision is made.
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
Petition Could Trigger Superfund Tax
The IRS received a petition asking that methyl methacrylate-ethyl methacrylate-methacrylic acid copolymer in a styrene solution be added to the list of taxable substances under the Superfund tax. The petitioner says taxable chemicals make up 81.05% by weight of this material and calculates a tax of $11.55 per ton using stated conversion factors. This notice is only a petition filing and not a determination that the substance will be added.
Stakeholders Have Comment Deadline
People or companies can submit written comments or request a public hearing about the petition by March 16, 2026. Comments must be submitted via Regulations.gov (docket IRS-2025-0599) or by mail, and all comments will be made public on the docket.
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