Notice 17 Sep 2025 regulation, chemical substances, irs, compliance, excise tax, superfund tax

🧪Superfund Tax on Chemical Substances

This notice of determinations modifies the list of taxable substances to include the following 39 substances: acrylonitrile- butadiene rubber ((C<INF>4</INF>H<INF>6</INF>)<INF>n</INF>- (C<INF>3</INF>H<INF>3</INF>N)<INF>m</INF>; n=13.44, m=25.54), bromo- isobutene-isoprene rubber ((C<INF>4</INF>H<INF>8</INF>)<INF>n</INF>- (C<INF>5</INF>H<INF>7.5</INF>Br<INF>0.5</INF>)<INF>m</INF>; n=98.20, m=1.80), chloroprene rubber, ethylene-propylene-ethylidene norbornene rubber ((C<INF>2</INF>H<INF>4</INF>)<INF>m</INF>- (C<INF>3</INF>H<INF>6</INF>)<INF>n</INF>(C<INF>9</INF>H<INF>12</INF>)<INF>o</INF> ; m=56.82, n=40.46, o=2.71), ethylene vinyl acetate (VA < 50%) ((C<INF>2</INF>H<INF>4</INF>)<INF>n</INF>- (C<INF>4</INF>H<INF>6</INF>O<INF>2</INF>)<INF>m</INF>; n=78.95, m=21.05), ethylene vinyl acetate (VA >= 50%) ((C<INF>2</INF>H<INF>4</INF>)<INF>n</INF>- (C<INF>4</INF>H<INF>6</INF>O<INF>2</INF>)<INF>m</INF>; n=75.42, m=24.58), hydrogenated acrylonitrile-butadiene rubber ((C<INF>4</INF>H<INF>8</INF>)<INF>n</INF>- (C<INF>3</INF>H<INF>3</INF>N)<INF>m</INF>; n=22.28, m=38.86), isobutene-isoprene rubber ((C<INF>4</INF>H<INF>8</INF>)<INF>n</INF>- (C<INF>5</INF>H<INF>8</INF>)<INF>m</INF>; n=99.10, m=0.90), poly(ethylene-propylene) rubber ((C<INF>2</INF>H<INF>4</INF>)<INF>m</INF>- (C<INF>3</INF>H<INF>6</INF>)<INF>n</INF>; m=59.04, n=40.96), emulsion styrene-butadiene rubber ((C<INF>4</INF>H<INF>6</INF>)<INF>m</INF>- (C<INF>8</INF>H<INF>8</INF>)<INF>n</INF>; m=15.83, n=2.53), solution styrene-butadiene rubber ((C<INF>4</INF>H<INF>6</INF>)<INF>m</INF>- (C<INF>8</INF>H<INF>8</INF>)<INF>n</INF>; m=67.16, n=32.85), emulsion styrene butadiene rubber ((C<INF>4</INF>H<INF>6</INF>)<INF>m</INF>- (C<INF>8</INF>H<INF>8</INF>)<INF>n</INF>; m=14.14, n=2.26), solution styrene-butadiene rubber ((C<INF>4</INF>H<INF>6</INF>)<INF>m</INF>- (C<INF>8</INF>H<INF>8</INF>)<INF>n</INF>; m=13.31, n=2.50), hydrogenated acrylonitrile-butadiene rubber ((C<INF>4</INF>H<INF>8</INF>)<INF>x</INF>- (C<INF>3</INF>H<INF>3</INF>N)<INF>y</INF>- (C<INF>15</INF>H<INF>24</INF>O)<INF>a</INF>; x=2,783.05, y=1,907.27, a=5.74), bromobutyl isobutylene isoprene rubber ((C<INF>4</INF>H<INF>8</INF>)<INF>x</INF>(C<INF>5</INF>H<INF>8</INF>)<INF>y</INF> (Br<INF>2</INF>)<INF>z</INF>; x=7071, y=59, z=50), chlorobutyl isobutylene isoprene rubber ((C<INF>4</INF>H<INF>8</INF>)<INF>x</INF>(C<INF>5</INF>H<INF>8</INF>)<INF>y</INF> (Cl<INF>2</INF>)<INF>z</INF>); x=7036, y=88, z=70), DIPE-di-isopropyl ether, di-isodecyl phthalate, di-isononyl adipate, di-isononyl phthalate, di-tridecyl phthalate, ethylene propylene diene (EPDM) rubber ((C<INF>2</INF>H<INF>4</INF>)<INF>x</INF>(C<INF>3</INF>H<INF>6</INF>)<INF>y</INF> (C<INF>9</INF>H<INF>12</INF>)<INF>z</INF>; x=5134, y=2250, z=98), isodecyl alcohol, isodecyl benzoate, isooctyl alcohol, linear nonyl phthalate, linear nonyl undecyl phthalate, linear undecyl phthalate, linear nonyl tri-mellitate, neo decanoic acid, neo pentanoic acid, nonene, regular butyl rubber ((C<INF>4</INF>H<INF>8</INF>)<INF>x</INF>(C<INF>5</INF>H<INF>8</INF>)<INF>y</INF> ; x=7036, y=88), tridecyl alcohol, tri-isononyl tri-mellitate, di- isobutylene, polyisobutylene, styrene-acrylonitrile ((C<INF>3</INF>H<INF>3</INF>N)<INF>a</INF>- (C<INF>8</INF>H<INF>8</INF>)<INF>s</INF>; a=0.26, s=0.74), and acrylonitrile butadiene styrene ((C<INF>3</INF>H<INF>3</INF>N)<INF>a</INF>- (C<INF>4</INF>H<INF>6</INF>)<INF>b</INF>- (C<INF>8</INF>H<INF>8</INF>)<INF>s</INF>; a=0.16, b=0.10, s=0.74),

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Notice 15 Aug 2025 regulatory compliance, chemicals, irs, superfund tax, business tax, ethylene-propylene

🧪Superfund Tax Notice Impacting Ethylene-Propylene Rubber Industry

This notice of filing announces that a petition has been filed requesting that ethylene-propylene-dicyclopentadiene rubber ((C<INF>2</INF>H<INF>4</INF>)<INF>m</INF>- (C<INF>3</INF>H<INF>6</INF>)<INF>n</INF>- (C<INF>10</INF>H<INF>12</INF>)<INF>o</INF>; m=73.18, n=26.53, o=0.29) be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.

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Notice 21 May 2025 irs, exxon mobil, tridecyl alcohol, superfund tax, regulatory compliance, chemical substances

⚗️IRS Notice on Adding Tridecyl Alcohol to Taxable Substances List

This notice of filing announces that a petition has been filed requesting that tridecyl alcohol be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.

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Notice 21 May 2025 irs, regulatory requirements, superfund tax, nonene, chemical substances

⚖️Nonene Tax Filing Notice and Public Comment Opportunities

This notice of filing announces that a petition has been filed requesting that nonene be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.

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Notice 21 May 2025 neo decanoic acid, internal revenue service, taxable substances, superfund tax, regulatory compliance

🧪Notice to Modify Taxable Substances List for Neo Decanoic Acid

This notice of filing announces that a petition has been filed requesting that neo decanoic acid be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.

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Notice 21 May 2025 internal revenue service, business compliance, superfund tax, regulatory notice, chemical substances

🧪Notice on Superfund Tax for Tri-isononyl Tri-Mellitate

This notice of filing announces that a petition has been filed requesting that tri-isononyl tri-mellitate be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.

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Notice 14 May 2025 irs, linear nonyl undecyl phthalate, chemical substances, business compliance, superfund tax

🧪IRS Notice on Taxability of Linear Nonyl UnDecyl Phthalate

This notice of filing announces that a petition has been filed requesting that linear nonyl undecyl phthalate be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.

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Notice 13 May 2025 tax implications, irs, superfund tax, regulatory compliance, di-isobutylene, chemical substances

🧪IRS Notice on Di-isobutylene Superfund Tax Filing and Comments

This notice of filing announces that a petition has been filed requesting that di-isobutylene be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.

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Notice 13 May 2025 chlorobutyl rubber, business tax, irs, superfund tax, regulatory compliance, chemicals

🧪Superfund Tax Proposal on Chlorobutyl Isobutylene Isoprene Rubber

This notice of filing announces that a petition has been filed requesting that chlorobutyl isobutylene isoprene rubber (((C<INF>4</INF>H<INF>8</INF>)<INF>x</INF>(C<INF>5</INF>H<INF>8</INF>)<INF>y</INF> (Cl<INF>2</INF>)<INF>z</INF>; x = 7036, y = 88, z = 70)), also known as CIIR, be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.

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Notice 13 May 2025 internal revenue service, neo pentanoic acid, business taxes, superfund tax, regulatory compliance, chemical substances

🧪Notice on Superfund Tax for Neo Pentanoic Acid Filing

This notice of filing announces that a petition has been filed requesting that neo pentanoic acid be added to the list of taxable substances. This notice of filing also requests comments on the petition. This notice of filing is not a determination that the list of taxable substances is modified.

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