1545-2304 - SUP STAT Excise tax on Chemicals NPRM-clean
1545-2304 - SUP STAT Excise tax on Chemicals NPRM-clean.docx
Rev. Proc. 2022-26 - Superfund; Imported Substances; Procedures for Filing a Petition, REG-105954-22 - Excise Tax imposed on certain chemicals and imported substances