This annual update covers recent developments, including court cases and selected administrative changes occurring in the 12 months ending March 2026.
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TOPICS / PASSTHROUGHS
S Corporation Income Taxation
Identifying the final C corporation and initial S corporation tax years
Rules determine allowable tax years after a C corporation elects S status.
When is a QSub election considered timely filed?
An F reorganization may raise a host of issues pertaining to timely filing of a qualified Subchapter S subsidiary election.
Buy/sell agreements for S corporations
These common instruments raise special considerations in the S corporation context.
PTEs need more notice of changes, more time to respond, AICPA says
In a letter to Treasury and the IRS, the AICPA seeks changes to tax reporting requirements for partnerships and S corporations.
Late election relief in recent IRS letter rulings
The IRS may grant a reasonable extension if the taxpayer provides satisfactory evidence of acting reasonably and in good faith and the relief will not prejudice the government’s interests.
IRS withdraws prop. regs. affecting corporate spinoff transactions
The proposed regulations were withdrawn in response to comments that criticized the proposed guidance, according to the IRS.
Deferring gain in liquidation with an installment sale and noncompete agreement
Liquidating S corporations may defer corporate-level gain by distributing a qualifying installment obligation arising in a 12-month liquidation period; a planning strategy pairs this exception with a noncompete agreement.
Guidance on research or experimental expenditures under H.R. 1 issued
The revenue procedure advises taxpayers how to make various elections, file amended returns, and change accounting methods as provided under Section 70302 of the new law.
AICPA presses IRS for guidance on domestic research costs in OBBBA
In its letter, the AICPA said small businesses that have not filed returns for the 2024 filing period face uncertainty about how to treat domestic research and experimental expenditures.
IRS includes several AICPA recommendations in corporate AMT interim guidance
In a notice issued Tuesday, the IRS said it intends to partially withdraw proposed regulations and issue revised proposed regulations.
Current developments in S corporations
This annual update covers recent developments relating to S corporations, including IRS relief for common inadvertent S election lapses; the transfer of clean-energy credits; and other cases, rulings, and regulations.
AICPA makes Priority Guidance Plan recommendations to IRS
In addition to its 183 recommendations for the IRS plan, the AICPA encouraged the agency to continue to pursue tax simplification.
Simplified method to determine corporate AMT applicable status issued
A notice issued by the IRS with interim guidance for the application of the corporate alternative minimum tax offers an optional simplified method for determining applicable corporation status under Sec. 59(k).
How S elections go wrong and how to fix them
Problems with S elections frequently cause them to be invalid when made or to terminate. This article discusses four of the most common ones and three revenue procedures that may enable S corporations to fix them without obtaining a costly letter ruling.
Deemed liquidation on electing QSub status
An S corporation’s qualified Subchapter S subsidiary election for an existing corporation is a deemed tax-free liquidation under Secs. 332 and 337 if certain requirements are met.
How Trump’s opposition to global tax deal may affect businesses
The Trump administration has rejected the OECD’s initiative to reform the taxation of multinational enterprises. Learn more about the executive action in this Q&A with an international tax expert.
Strategies for information return penalties and Form 945 assessments
Penalties for failure to file correct information returns and backup withholding can be waived, but timely and correct responses to IRS notices are essential.
AICPA to Congress: Delay needed in BOI reporting deadline
Without a delay, “millions of small business owners become accidentally and unknowingly delinquent in their compliance,” reads the letter, signed by CEO Barry Melancon, CPA, CGMA.
CRFB leader: Tax policy may not be a Trump administration high priority
The head of the nonpartisan Committee for a Responsible Federal Budget told the AICPA & CIMA National Tax Conference that extending the Tax Cuts and Jobs Act would add $5 trillion to the national debt.
INDIVIDUALS
Current Developments in Taxation of Individuals: Part 1
This update surveys recent federal tax developments involving individuals, including court cases, rulings, and guidance issued during the six months ending October 2025.
