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section 45Q

IRS roundup: December 15 – December 22, 2025

by Matthew J. Blaney | Jan 6, 2026 | IRS Guidance, Tax Reform, Tax Refunds

Check out our summary of significant Internal Revenue Service (IRS) guidance and relevant tax matters for December 15, 2025 – December 22, 2025.

December 15, 2025: The IRS issued Notice 2026-2, providing an update on weighted average interest rates, yield curves, and segment rates. The notice specifically focused on the corporate bond monthly yield curve, corresponding spot segment rates used for purposes of Internal Revenue Code (Code) Section 417(e)(3), and 24-month average segment rates for purposes of Code Section 430(h)(2). Notice 2026-2 also provides the interest rate for 30-year Treasury securities for purposes of Code Section 417(e)(3)(A)(ii)(II), as in effect for plan years beginning before 2008, as well as the 30-year Treasury weighted average rate for purposes of Code Section 431(c)(6)(E)(ii)(I).

December 15, 2025: The IRS issued Revenue Ruling 2026-2, providing various prescribed rates for federal income tax purposes for January 2026. The prescribed rates include:

Short-, mid-, and long-term applicable federal rates for certain debt instruments in the Code.
Section 42(b)(1) housing credit appropriate percentages.
The deemed rate of return for calendar year 2026 transfers made to pooled income funds, as described in Section 642(c)(5).
The average of the applicable federal mid-term rates for the 60-month period ending December 31, 2025.

December 19, 2025: The IRS issued Notice 2026-1, providing interim guidance related to the credit for carbon oxide sequestration under Code Section 45Q pending the forthcoming proposed regulations removing reporting obligations related to the geological sequestration of carbon dioxide imposed under subpart RR of 40 CFR part 98. The notice specifically provides a safe harbor for determining eligibility for qualified carbon oxide, captured and disposed of in secure geological storage and not used as a tertiary injectant in a qualified enhanced oil or natural gas recovery project, during calendar year 2025. Notice 2026-1’s safe harbor applies if the US Environmental Protection Agency does not launch the electronic Greenhouse Gas Reporting Tool for filers to prepare and submit information required under subpart RR by June 10, 2026. Taxpayers can rely on the safe harbor to demonstrate compliance with subpart RR requirements when determining the Code Section 45Q credit related to the 2025 Calendar Year Secure Geological Storage.

December 19, 2025: The IRS issued Notice 2026-6, extending the transition period in Revenue Ruling 2025-4 for states administering paid family and medical leave (PFML) programs and employers participating in PFML programs. The extension is for an additional year and only as it relates to the medical leave benefits a state pays to an individual that can be attributed to employer contributions.

December 22, 2025: The IRS issued Notice 2026-3, providing relief from Code Section 6654 and 6655 additions of tax for underpayments of estimated income tax by taxpayers making valid Code Section 1062(a) elections.

December 22, 2025: In Announcement 2026-1, the IRS declared its intent to issue guidance related to Code Section 6435. That guidance, intended for taxpayers that paid Code [...]

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IRS Roundup May 2 – May 13, 2025

by Evan Walters, Samuel F. Hamer, Edward L. Froelich, Michael J. Scarduzio and Matthew J. Blaney | May 19, 2025 | IRS Guidance, Tax Reform

Check out our summary of significant Internal Revenue Service (IRS) guidance and relevant tax matters for May 2, 2025 – May 13, 2025.

IRS GUIDANCE

May 2, 2025: The IRS issued Revenue Procedure 2025-20, providing guidance on the domestic asset/liability percentages and domestic investment yields used by foreign life insurance companies and foreign property and liability insurance companies to compute their minimum effectively connected net investment income under Section 842(b) of the Internal Revenue Code (Code) for taxable years beginning after December 31, 2023.

May 5, 2025: The IRS released Internal Revenue Bulletin 2025-19, which includes Revenue Ruling 2025-10 and Revenue Procedure 2025-18.

Revenue Ruling 2025-10 provides various prescribed rates for federal income tax purposes for May 2025, including:

The short-, mid-, and long-term applicable federal rates for purposes of Code Section 1274(d).
The short-, mid-, and long-term adjusted applicable federal rates for purposes of Code Section 1288(b).
The adjusted federal long-term rate and the long-term tax-exempt rate from Code Section 382(f).
The appropriate percentages for determining the low-income housing credit from Code Section 42(b)(1) (but only for buildings placed in service during May 2025).
The federal rate for determining the present value of an annuity, an interest for life or for a term of years, or a remainder or a reversionary interest for purposes of Code Section 752.

Revenue Procedure 2025-18 provides issuers of qualified mortgage bonds (defined in Code Section 143(a)) and mortgage credit certificates (defined in Code Section 25(c)) with guidance related to nationwide purchase prices for residences, as well as the average area purchase price for residences located in statistical areas in each US state, the District of Columbia, Puerto Rico, the Northern Mariana Islands, American Samoa, the Virgin Islands, and Guam.

May 6, 2025: The IRS issued Revenue Procedure 2025-21, modifying Section 12 of Revenue Procedure 2024-32.

Executive Order 14219, issued through the Department of Government Efficiency’s deregulatory initiative, directed agencies to initiate a review process for identification and removal of certain regulations and guidance. Pursuant to Executive Order 14219, the US Department of the Treasury and the IRS identified Section 12 of Revenue Procedure 2024-32 as a regulation needing modification.

Revenue Procedure 2024-32 specifies the procedure by which the sponsor of a defined benefit plan, which is subject to the funding requirements of Code Section 430, may request approval from the IRS for the use of plan-specific substitute mortality tables. Section 12.02 of Revenue Procedure 2024-32 specifies that if a plan sponsor wishes to use plan-specific mortality tables, it must develop and request approval for the use of new plan-specific mortality tables for plan years beginning on or after January 1, 2026. Revenue Procedure 2025-21 provides immediate relief for some of those plan sponsors by narrowing the category of plan sponsors that must request approval of new plan-specific substitute mortality tables.

May 12, 2025: The IRS issued Revenue Ruling 2025-11, determining the interest rates [...]

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Weekly IRS Roundup December 28, 2020 – January 8, 2021

by McDermott Will & Emery | Jan 14, 2021 | IRS Guidance, Tax Reform

Presented below is our summary of significant Internal Revenue Service (IRS) guidance and relevant tax matters for the weeks of December 28, 2020 – January 8, 2021. Additionally, for continuing updates on the tax impact of COVID-19, please visit our resource page here.

December 29, 2020: The IRS released Revenue Procedure 21-09 providing a procedure for a trade or business that manages or operates a qualified residential living facility to elect to be treated as a real property trade or business for purposes of section 163(j).

December 31, 2020: The IRS issued Notice 21-05 clarifying and modifying the beginning of construction requirement for qualified facility and energy property projects under sections 45 and 48.

December 31, 2020: The IRS released its weekly list of written determinations (e.g., Private Letter Rulings, Technical Advice Memorandums and Chief Counsel Advice).

December 31, 2020: The IRS released Internal Revenue Bulletin 2021-1, dated January 4, 2021, containing the following highlights: Rev. Proc. 2021-1 (Administrative); Rev. Proc. 2021-2 (Administrative); Rev. Proc. 2021-3 (Administrative); Rev. Proc. 2021-4 (Employee Plans); Rev. Proc. 2021-5 (Exempt Organizations); and Rev. Proc. 2021-7 (Income Tax).

January 4, 2021: The IRS issued Notice 21-07 providing temporary relief for employers and employees using the automobile lease valuation rule due to the COVID-19 pandemic.

January 5, 2021: The IRS issued Revenue Procedure 21-08 modifying Revenue Procedure 2021-5 to provide that the exclusive means of submitting Form 1024-A, after the 90-day transition relief period, is through the electronic submission process.

January 5, 2021: The IRS issued Revenue Procedure 21-10 providing procedures for issuers of tax-advantaged bonds who received adverse determinations by the Office of Tax Exempt Bonds to request an administrative appeal from the Independent Office of Appeals.

January 5, 2021: The IRS released TD 9943 containing the final regulations under section 163(j) related to the limitation on the deduction for business interest expense.

January 6, 2021: The IRS issued Revenue Ruling 21-02 declaring Notice 2020-32 and Rev. Rul. 2020-27, both of which provided that certain taxpayers could not deduct expenses related to loans forgiven under the Paycheck Protection Program, as obsolete.

January 6, 2021: The IRS released TD 9944 containing the final regulations under section 45Q related to the credit for carbon oxide sequestration.

January 7, 2021: The IRS released TD 9945 containing the final regulations under section 1061 related to the characterization of gains for taxpayers directly or indirectly holding applicable partnership interests in connection with the performance of substantial services.

January 8, 2021: The IRS released its weekly list of written determinations (e.g., Private Letter Rulings, Technical Advice Memorandums and Chief Counsel Advice).

January 8, 2021: The IRS released Internal Revenue Bulletin 2021-2, dated January 11, 2021, containing the following highlights: TD 9940 (Administrative); Notice 2021-03 (Employee Plans); Notice 2021-04 (Excise [...]

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Weekly IRS Roundup June 29 – July 3, 2020

by McDermott Will & Emery | Jul 8, 2020 | IRS Guidance, Tax Reform

Presented below is our summary of significant Internal Revenue Service (IRS) guidance and relevant tax matters for the week of June 29, 2020 – July 3, 2020. Additionally, for continuing updates on the tax impact of COVID-19, please visit our resource page here.

June 29, 2020: The IRS issued a news release announcing that the tax filing and payment deadline of July 15 will not be postponed. However, individual taxpayers may request an automatic extension of time to file until October 15. Individual taxpayers that file Form 1040 series returns must file Form 4868 by July 15 to obtain the automatic extension.

June 29, 2020: The IRS issued corrections to proposed regulations regarding the credit for carbon oxide sequestration under section 45Q. Among other changes, the IRS clarified that the applicable recapture period ends upon five years, and not three years, after the last taxable year in which the taxpayer claimed a tax code section 45Q credit.

June 29, 2020: The IRS published the 2019 IRS Data Book, which summarizes tax filings, revenue collections, taxpayer services, enforcement activities and agency operations. The IRS added new key information to the annual publication and addressed the agency’s response to COVID-19.

June 29, 2020: The IRS added new frequently asked questions regarding filing extension relief for Forms 1139 and 1045. The IRS clarified that Notice 2020-26, which grants a six-month extension to file Forms 1139 and 1045 for certain net operating losses (NOLs), applies to consolidated groups. The IRS also clarified that if Notice 2020-26 extended a taxpayer’s filing date to file Forms 1139 and 1045, and if the extended due date is a date on or after April 1, 2020, and before July 15, 2020, then the taxpayer will also receive relief under Notice 2020-23, which allows taxpayers to file Forms 1139 and 1045 until July 15, 2020.

July 1, 2020: The IRS issued a news release announcing that it added new retail partners that will accept cash payments for federal taxes owed by both individual and business taxpayers.

July 2, 2020: The IRS released proposed regulations and temporary regulations providing guidance regarding NOLs for consolidated groups. The temporary regulations permit consolidated groups that have acquired certain new members to elect to waive all or part of the pre-acquisition portion of certain losses where there is a retroactive statutory extension of the NOL carryback period. Public comments regarding the contemplated rules must be received by August 31, 2020.

July 3, 2020: The IRS released its weekly list of written determinations (e.g., Private Letter Rulings, Technical Advice Memorandums and Chief Counsel Advice).

Special thanks to Robbie Alipour in our Chicago office for this week’s roundup.