On April 17, 2025, the U.S. Internal Revenue Service (the “IRS”) issued Notice 2025-23 (the “Notice”), announcing its intention to withdraw the recently released final regulations final regulationsthat classify certain partnership related party basis shifting transactions and substantially similar transactions as “transactions of interest”. The Notice provides taxpayers and their material advisors with immediate relief from penalties imposed for non-compliance with the disclosure requirements under the final regulations, and effectively eliminates immediately the reporting obligations that were imposed under the final regulations.

The Notice also announced that Notice 2024-54 (in which the IRS announced its intention to publish proposed regulations on basis-shifting transactions) is withdrawn. Therefore, at the current time, no proposed regulations on this topic are anticipated. However, the Notice did not withdraw Revenue Ruling 2024-14, which states that the “economic substance” doctrine applies where a basis shifting transaction among related parties does not have economic purpose or substance.

For more information about the final regulations and examples of the common transactions they could have applied to, please see our prior blog post here.

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Photo of Jean Bertrand Jean Bertrand

Jean Bertrand is a partner in the Tax Department and a member of the Private Funds Group. Jean advises clients on a broad range of domestic and international tax issues. Her practice focuses on hedge and private equity fund formation, investment structuring, cross-border…

Jean Bertrand is a partner in the Tax Department and a member of the Private Funds Group. Jean advises clients on a broad range of domestic and international tax issues. Her practice focuses on hedge and private equity fund formation, investment structuring, cross-border lending transactions and other financings, and providing general tax advice to corporations, partnerships, high-net-worth individuals and families. In addition, Jean has significant experience in advising public charities, private foundations and other tax-exempt organizations on structural and operating matters, including obtaining tax-exempt status, managing unrelated business taxable income, complying with the excess benefit transaction rules, grant-making, fundraising, and structuring investments.

Prior to becoming a lawyer, Jean was registered as a certified public accountant in New York and worked for several years as an auditor at a major public accounting firm. Prior to joining the Firm, Jean was a Special Counsel at Cadwalader, Wickersham and Taft LLP.

Photo of Richard M. Corn Richard M. Corn

Richard M. Corn is a partner in the Tax Department. He focuses his practice on corporate tax structuring and planning for a wide variety of transactions, including:

  • mergers and acquisitions
  • cross-border transactions
  • joint ventures
  • structured financings
  • debt and equity issuances
  • restructurings
  • bankruptcy-related transactions

Richard M. Corn is a partner in the Tax Department. He focuses his practice on corporate tax structuring and planning for a wide variety of transactions, including:

  • mergers and acquisitions
  • cross-border transactions
  • joint ventures
  • structured financings
  • debt and equity issuances
  • restructurings
  • bankruptcy-related transactions

Richard advises both U.S. and international clients, including multinational financial institutions, private equity funds, hedge funds, asset managers and joint ventures. He has particular experience in the financial services and sports sectors. He also works with individuals and tax-exempt and not-for-profit organizations on their tax matters.

Richard began his career as a clerk for the U.S. Court of Appeals for the Fourth Circuit Judge J. Michael Luttig and then went on to clerk at the U.S. Supreme Court for Associate Justice Clarence Thomas. Prior to joining Proskauer, he most recently practiced at Sullivan & Cromwell as well as Wachtell, Lipton, Rosen and Katz.

Photo of Robert A. Friedman Robert A. Friedman

Robert Friedman is a partner in the Tax Department whose practice focuses on representing clients in all facets of corporate and partnership related tax matters. In particular, Robert provides tax advice on public and private mergers, acquisitions, joint ventures, divestitures, private equity fund…

Robert Friedman is a partner in the Tax Department whose practice focuses on representing clients in all facets of corporate and partnership related tax matters. In particular, Robert provides tax advice on public and private mergers, acquisitions, joint ventures, divestitures, private equity fund formation, financial products and electric and gas utility tax issues.

Photo of Christine Harlow Christine Harlow

Christine is a partner in the firm’s Tax Department and a member of the Private Funds Group, advising clients on the tax aspects of private funds, including hedge funds, credit funds, private equity funds and joint ventures.

She represents private fund managers in…

Christine is a partner in the firm’s Tax Department and a member of the Private Funds Group, advising clients on the tax aspects of private funds, including hedge funds, credit funds, private equity funds and joint ventures.

She represents private fund managers in the formation of private funds, ongoing operations and the tax consequences of purchasing and disposing of investments. She also represents investors regarding the tax consequences of investing in private funds. She advises fund managers and investors on a variety of fund structures, including closed-end, open-end, hybrid, and evergreen.

Her experience also includes structuring and negotiating seed and strategic investments and advising private fund managers with respect to the sale of investment management and general partner entities.

Prior to joining Proskauer, Christine served as special counsel at a prominent law firm focused on private capital, where she addressed a broad range of tax matters related to private funds.

Photo of David S. Miller David S. Miller

David Miller is a partner in the Tax Department. David advises clients on a broad range of domestic and international corporate tax issues. His practice covers the taxation of financial instruments and derivatives, private and public REITs, cross-border lending transactions and other financings…

David Miller is a partner in the Tax Department. David advises clients on a broad range of domestic and international corporate tax issues. His practice covers the taxation of financial instruments and derivatives, private and public REITs, cross-border lending transactions and other financings, international and domestic mergers and acquisitions, multinational corporate groups and partnerships, private equity and hedge funds, bankruptcy and workouts, high-net-worth individuals and families, and public charities and private foundations. He advises companies in virtually all major industries, including banking, finance, private equity, health care, life sciences, real estate, technology, consumer products, entertainment and energy.

David is strongly committed to pro bono service, and has represented more than 500 charities. In 2011, he was named as one of thirteen “Lawyers Who Lead by Example” by the New York Law Journal for his pro bono service. David has also been recognized for his pro bono work by The Legal Aid Society, Legal Services for New York City and New York Lawyers For The Public Interest.

David has been consistently recognized by leading industry publications, such as Chambers Global, Chambers USA, Best Lawyers and The Legal 500. Clients surveyed by Chambers USA said, “We bring him in on complex matters because he has the experience and the gravitas.” David is one of 17 lawyers in the United States in The Legal 500’s Hall of Fame for US Tax (non-contentious).

David has taught the taxation of financial instruments at Columbia Law School, and tax policy at New York University School of Law. He is also a frequent author and has written a number of articles and chapters in various tax publications. David is the former chair of the tax section of the New York State Bar Association.

Prior to joining Proskauer, David was a partner at Cadwalader, Wickersham & Taft LLP.

Photo of Amanda H. Nussbaum Amanda H. Nussbaum

Amanda H. Nussbaum is the chair of the Firm’s Tax Department as well as a member of the Private Funds Group. Her practice concentrates on planning for and the structuring of domestic and international private investment funds, including venture capital, buyout, real estate…

Amanda H. Nussbaum is the chair of the Firm’s Tax Department as well as a member of the Private Funds Group. Her practice concentrates on planning for and the structuring of domestic and international private investment funds, including venture capital, buyout, real estate and hedge funds, as well as advising those funds on investment activities and operational issues. She also represents many types of investors, including tax-exempt and non-U.S. investors, with their investments in private investment funds. Business partners through our clients’ biggest challenges, Amanda is a part of the Firm’s cross-disciplinary, cross-jurisdictional Coronavirus Response Team helping to shape the guidance and next steps for clients impacted by the pandemic.

Amanda has significant experience structuring taxable and tax-free mergers and acquisitions, real estate transactions and stock and debt offerings. She also counsels both sports teams and sports leagues with a broad range of tax issues.

In addition, Amanda advises not-for-profit clients on matters such as applying for and maintaining exemption from federal income tax, minimizing unrelated business taxable income, structuring joint ventures and partnerships with taxable entities and using exempt and for-profit subsidiaries.

Amanda has co-authored with Howard Lefkowitz and Steven Devaney the New York Limited Liability Company Forms and Practice Manual, which is published by Data Trace Publishing Co.

Photo of Stuart Rosow Stuart Rosow

Stuart Rosow is a partner in the Tax Department and a leader of the transactional tax team. He concentrates on the taxation of complex business and investment transactions. His practice includes representation of publicly traded and privately held corporations, financial institutions, operating international…

Stuart Rosow is a partner in the Tax Department and a leader of the transactional tax team. He concentrates on the taxation of complex business and investment transactions. His practice includes representation of publicly traded and privately held corporations, financial institutions, operating international and domestic joint ventures, and investment partnerships, health care providers, charities and other tax-exempt entities and individuals.

For corporations, Stuart has been involved in both taxable and tax-free mergers and acquisitions. His contributions to the projects include not only structuring the overall transaction to ensure the parties’ desired tax results, but also planning for the operation of the business before and after the transaction to maximize the tax savings available. For financial institutions, Stuart has participated in structuring and negotiating loans and equity investments in a wide variety of domestic and international businesses. Often organized as joint ventures, these transactions offer tax opportunities and present pitfalls involving issues related to the nature of the financing, the use of derivations and cross-border complications. In addition, he has advised clients on real estate financing vehicles, including REITs and REMICs, and other structured finance products, including conduits and securitizations.

Stuart’s work on joint ventures and partnerships has involved the structuring and negotiating of a wide range of transactions, including deals in the health care field involving both taxable and tax-exempt entities and business combinations between U.S. and foreign companies. He has also advised financial institutions and buyout funds on a variety of investments in partnerships, including operating businesses, as well as office buildings and other real estate. In addition, Stuart has represented large partnerships, including publicly traded entities, on a variety of income tax matters, including insuring retention of tax status as a partnership; structuring public offerings; and the tax aspects of mergers and acquisitions among partnership entities.

Also actively involved in the health care field, Stuart has structured mergers, acquisitions and joint ventures for business corporations, including publicly traded hospital corporations, as well as tax-exempt entities. This work has led to further involvement with tax-exempt entities, both publicly supported entities and private foundations. A significant portion of the representation of these entities has involved representation before the Internal Revenue Service on tax audits and requests for private letter rulings and technical advice.

Stuart also provides regular advice to corporations, a number of families and individuals. This advice consists of helping to structure private tax-advantaged investments; tax planning; and representation before the Internal Revenue Service and local tax authorities on tax examinations.

A frequent lecturer at CLE programs, Stuart is also an adjunct faculty member of the Columbia Law School where he currently teaches Partnership Taxation.

Photo of Rita N. Halabi Rita N. Halabi

Rita Halabi is an associate in the Tax Department. She advises public, private and governmental entities on a variety of U.S. federal corporate, international and partnership tax matters, including mergers and acquisitions, cross-border private equity and investment fund transactions, preferred equity investments, structured…

Rita Halabi is an associate in the Tax Department. She advises public, private and governmental entities on a variety of U.S. federal corporate, international and partnership tax matters, including mergers and acquisitions, cross-border private equity and investment fund transactions, preferred equity investments, structured finance and fund finance transactions, restructurings and bankruptcy-related transactions, capital markets transactions and tax controversy.

Rita is devoted to thought leadership on tax-related topics. She is a contributing author to “International Tax Disputes: Arbitration, Mediation, and Dispute Management”, an international tax treatise published by Edward Elgar Publishing. Rita was recently the keynote speaker at a New York State Bar Association Tax Section event and participated in a private funds panel at an American Bar Association Tax Section conference. She serves on the leadership team of the American Bar Association Tax Section’s Investment Management Committee. In addition, Rita regularly blogs about developments in U.S. federal tax law on the Proskauer Tax Talks blog.