The section 6426/6427 credits and refunds for mixtures of biodiesel, renewable diesel, agri-biodiesel (as allowed under section 6426(c)(5)), sustainable aviation fuels, and alternative fuels and mixtures expired for sales, uses, or removals occurring after 2024. Do not file Schedule 3 (Form 8849) for any claims related to these credits after 2024. Continue to use the Schedule 3 (Form 8849), January 2023 revision for any claims before Dec. 31, 2024.