Updates on the development and implementation of the Inflation Reduction Act. Notice 2023-07PDF, announces the intent to issue proposed regulations addressing the application of the new corporate alternative minimum tax (CAMT). Sections 3 through 7 of this notice provide interim guidance regarding certain time-sensitive issues intended to be addressed by the forthcoming proposed regulations. Notice 2023-09PDF, provides a safe harbor regarding the incremental cost of certain qualified commercial clean vehicles placed in service in calendar year 2023 for purposes of the new credit for qualified commercial clean vehicles under § 45W of the Internal Revenue Code (Code). Notice 2023-06PDF, provides guidance on the new sustainable aviation fuel credits under §§ 40B and 6426(k) of the Internal Revenue Code 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 and the Internal Revenue Service in developing additional guidance on the SAF credit in the future. Notice-2023-02PDF, provides initial Guidance Regarding the Application of the Excise Tax on Repurchases of Corporate Stock under Section 4501 of the Internal Revenue Code. Notice 2023-01PDF, informs taxpayers that the Department of the Treasury (Treasury Department) and the Internal Revenue Service (IRS) intend to propose regulations under § 30D of the Internal Revenue Code (Code) (forthcoming proposed regulations) addressing the definitions of certain terms relevant to the requirements of the clean vehicle credit available under § 30D (§ 30D credit). Notice 2022-61 provides guidance on the prevailing wage and apprenticeship requirements that generally apply to certain provisions of the Internal Revenue Code (Code), as amended by the Inflation Reduction Act of 2022. Notice 2022-58 request for comments on Credits for Clean Hydrogen and Clean Fuel Production. Notice 2022-57 request for comments on the Credit for Carbon Oxide Sequestration. Notice 2022-56 request for comments on Section 45W Credit for Qualified Commercial Clean Vehicles and Section 30C Alternative Fuel Vehicle Refueling Property Credit. Notice 2022-51 requests comments on prevailing wage, apprenticeship, domestic content and energy communities requirements. Notice 2022-50 requests comments on elective payment of applicable credits and transfer of certain credits featured in IRA Provision 13801. Notice 2022-49 requests for comments on certain energy generation incentives featured in IRA Provision 13202. Notice 2022-48 requests comments on incentive provisions for improving the energy efficiency of residential and commercial buildings featured in IRA Provision 13302 &13303. Notice 2022-47 requests comments on energy security tax credits for manufacturing featured in IRA Provision 50265. Notice 2022-46 requests comments on credits for clean vehicles featured in IRA Provision 13401. Notice 2022-39 explains how to file a one-time claim for credit and payments for alternative fuels.