December 29, 2022

Petition Filed to Add Polyoxymethylene to List of Chemical Substances Subject to Superfund Excise Tax

The Internal Revenue Service (IRS) announced on December 28, 2022, that it received a petition requesting the addition of polyoxymethylene to the list of taxable substances under Section 4672(a) of the Internal Revenue Code. 87 Fed. Reg. 79938. The petitioner is Celanese Ltd., an exporter of polyoxymethylene. According to the petition, “polyoxymethylene is an engineering thermoplastic used in precision parts requiring high stiffness, low friction, and excellent dimensional stability. It...