This revenue procedure sets forth inflation-adjusted items for 2025 for various Code provisions as in effect on October 22, 2024. The inflation adjusted items for the Code sections set forth in section 2 of this revenue procedure are generally determined by reference to § 1(f) of the Code. To the extent amendments to the Code are enacted for 2025 after October 22, 2024, taxpayers should consult additional guidance to determine whether these adjustments remain applicable for 2025.

26 CFR 601.602: Tax forms and instructions.

(Also Part I, §§ 1, 23, 24, 32, 36B, 42, 45R, 55, 59, 62, 63, 125, 132(f), 135, 137, 146, 147, 148, 152, 179, 179D, 199A, 213, 220, 221, 448, 461, 512, 513, 642, 831, 877, 877A, 911, 1274A, 2010, 2032A, 2503, 2523, 4161, 4261, 4611, 6033, 6039F, 6323, 6334, 6601, 6651, 6652, 6695, 6698, 6699, 6721, 6722, 7345, 7430, 7702B, 9831; 1.148-5.)

This notice sets forth updates on the corporate bond monthly yield curve, the corresponding spot segment rates for September 2024 used under § 417(e)(3)(D), the 24-month average segment rates applicable for October 2024, and the 30-year Treasury rates, as reflected by the application of § 430(h)(2)(C)(iv).

This notice provides guidance in the form of questions and answers with respect to sections 414(aa) and 402(c)(12) of the Code as added by section 301(b) of the SECURE 2.0 Act. Section 414(aa) addresses the requirements of sections 401(a) and 403 with respect to inadvertent benefit overpayments, and section 402(c)(12) addresses the treatment of certain inadvertent benefit overpayments as eligible rollover distributions.

This final regulation provides rules for determining whether certain retirement plan and annuity distributions are subject to income tax withholding pursuant to § 3405 and treats a military or diplomatic post office address (such as an APO, a DPO, or an FPO address) as an address within the United States for purposes of the restriction on elections out of withholding that applies to overseas payments under § 3405(e)(13).

26 CFR 31.3405(e)-1: Questions and answers relating to withholding on pensions, annuities, and certain other deferred income

This revenue procedure grants certain applicable entities under section 6417(d)(1)(A) of the Internal Revenue Code an automatic six-month extension of time to file an original or superseding Form 990-T, Exempt Organization Business Income Tax Return (and proxy tax under section 6033(e) of the Code), with any other relevant schedules and forms (such as Form 3800, General Business Credit, and any relevant source credit forms), to make an elective payment election as provided under section 6417(d)(3) and §1.6417-2(b).

In addition to the automatic six-month extension of time to file for certain applicable entities, this revenue procedure allows certain applicable entities to make the elective payment election on a paper-filed Form 990-T if they follow certain procedural requirements. The document also provides a procedure allowing for assistance on processing an elective payment election for applicable entities otherwise eligible for relief that previously filed a return and received a notice that their election was ineffective because the return on which it was made was filed after the due date of the return.

26 CFR 1.6417-2: Rules for Making Elective Payment Election

(Also: 6417(h), 6081, 7803)

Notice 2024-74 provides additional guidance to taxpayers using the safe harbors in Notice 2024-37 with respect to the sustainable aviation fuel (SAF) credit. Notice 2024-74 provides that a taxpayer using a 40BSAF-GREET 2024 safe harbor to calculate its emissions reduction percentage with respect to claims that relate to the sale or use of a SAF qualified mixture after the effective date of the notice must use the newly released October 2024 version of the 40BSAF-GREET 2024 model.

Federal rates; adjusted federal rates; adjusted federal long-term rate, and the long-term tax exempt rate. For purposes of sections 382, 1274, 1288, 7872 and other sections of the Code, tables set forth the rates for November 2024.

(Also Sections 42, 280G, 382, 467, 468, 482, 483, 1288, 7520, 7872.)