Internal Revenue Code · 26 U.S.C.
Chapter 38. ENVIRONMENTAL TAXES
Official text, no changes From the Office of the Law Revision Counsel, release point 119-121 (current through Public Law 119-121 (October 9, 2026)). The official version is at uscode.house.gov (external site).
Subchapter A Tax on Petroleum §§ 4611–4612
Subchapter B Tax on Certain Chemicals §§ 4661–4662
Subchapter C Tax on Certain Imported Substances §§ 4671–4672
Subchapter D Ozone-Depleting Chemicals, Etc. §§ 4681–4682