Superfund Tax on Chemical Substances; Request To Modify List of Taxable Substances; Notice of Filing for Polyisobutylene

2 months ago 7

Internal Revenue Service (IRS), Treasury.

Notice of filing and request for comments.

This notice of filing announces that a petition has been filed requesting that polyisobutylene 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.

Written comments and requests for a public hearing must be received on or before June 2, 2025.

Commenters are encouraged to submit public comments or requests for a public hearing relating to this petition electronically via the Federal eRulemaking Portal at http://www.regulations.gov (indicate public docket number IRS-2025-0032 or polyisobutylene) by following the online instructions for submitting ( print page 14522) comments. Comments cannot be edited or withdrawn once submitted to the Federal eRulemaking Portal. Alternatively, comments and requests for a public hearing may be mailed to: Internal Revenue Service, Attn: CC:PA:01:PR (Notice of Filing for Polyisobutylene), Room 5203, P.O. Box 7604, Ben Franklin Station, Washington, DC 20044. All comments received are part of the public record and subject to public disclosure. All comments received will be posted without change to www.regulations.gov, including any personal information provided. You should submit only information that you wish to make publicly available. If a public hearing is scheduled, notice of the time and place for the hearing will be published in the Federal Register .

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