id,agency_id,docket_id,title,document_type,subtype,posted_date,posted_year,posted_month,comment_start_date,comment_end_date,last_modified,fr_doc_num,open_for_comment,withdrawn,object_id IRS-2024-0007-0001,IRS,IRS-2024-0007,Superfund Tax on Chemical Substances Request to Modify List of Taxable Substances Notice of Filing for Iso-butanol,Notice,Notice of Availability,2024-02-27T05:00:00Z,2024,2,2024-02-27T05:00:00Z,2024-04-30T03:59:59Z,2024-02-28T02:00:22Z,,0,0,0900006486433110