Announcement 2026-2: Confirmation that tax under section 4611 for 2026 does not include “oil spill tax”
“Oil spill tax” imposed under section 4611 expired on December 31, 2025.
The IRS on January 7, 2025, released Announcement 2026-2 to confirm that the tax rate under section 4611 for 2026 includes only the 18 cents per barrel Superfund financing tax, and does not include the 9 cents per barrel “oil spill tax” (OST), which expired on December 31, 2025.