SECTION 1. PURPOSE

This notice provides guidance on the new sustainable aviation fuel credits under §§ 40B and 6426(k) of the Internal Revenue Code (Code) (collectively referred to as a SAF credit or the SAF credit) and related credit and payment rules under §§ 34(a)(3), 38, 87, and 6427(e)(1). This notice also provides rules related to the § 4101 registration requirements. Finally, this notice requests comments from the public related to the SAF credit to assist the Department of the Treasury (Treasury Department) and the Internal Revenue Service (IRS) in developing additional guidance on the SAF credit in the future.