January 23, 2023

Petition Filed to Add Bisphenol A Epoxy Resin Copolymer to List of Chemical Substances Subject to Superfund Excise Tax

The Internal Revenue Service (IRS) announced on January 19, 2023, that it received a petition requesting the addition of 4,4′-isopropylidenediphenol-epichlorohydrin copolymer (bisphenol A epoxy resin) to the list of taxable substances under Section 4672(a) of the Internal Revenue Code. 88 Fed. Reg. 3478. The petitioner is Westlake Epoxy Inc., an exporter of 4,4′-isopropylidenediphenol-epichlorohydrin copolymer. According to the petition, “4,4′-Isopropylidenediphenol-Epichlorohydrin...