Accounting Professor Files Brief in Trump Fraud Case
Daniel Tinkelman argues accounting principles should guide financial penalty calculations in the ongoing state appeal.
Updated on Oct. 27, 2026 in Financial Crime
Live Poll
Do you believe financial reporting standards should be strictly enforced for all property value estimates?
Professor Daniel Tinkelman has filed a proposed amicus brief with the New York State Court of Appeals regarding the civil fraud case against Donald Trump and his business. The filing seeks to influence how the court views the calculation of penalties related to asset valuations.
Why it matters
Tinkelman aims to ensure that future legal rulings align with accounting standards, arguing that penalties must reflect asset basis rather than just inflated value claims. He claims the lower court's calculation approach failed to properly account for the true nature of the property sales.
The New York State Court of Appeals is currently reviewing the case following a divided August 2025 ruling. This follows a 2023 pretrial liability finding and an initial order for over $300 million in penalties.
The players
Daniel Tinkelman
He is a tenured accounting professor who has previously petitioned the Financial Accounting Standards Board to update personal financial statement standards.
Donald Trump
He is the former President of the United States and the central defendant in this long-running New York civil fraud litigation.
Letitia James
She serves as the Attorney General of New York and initiated the 2022 civil lawsuit against the Trump organization.
Arthur Engoron
He is the judge who presided over the lower court proceedings and initially ordered over $300 million in penalties.
Allen Weisselberg
He is the former CFO of the Trump family real estate business.
The details
In his Oct. 20 filing, Tinkelman asserts that financial statement estimates must be made in good faith. He supports the New York Attorney General on two specific issues while siding with the Trump group on one, challenging the methodology used to calculate the $194 million penalty related to property sales.
Timeline
The initial civil lawsuit was filed by the New York Attorney General in 2022.
A pretrial ruling establishing liability occurred in the fall of 2023.
The Supreme Court of New York issued a divided ruling in August 2025.
The Financial Accounting Standards Board denied Tinkelman's request for research in March 2026.
Tinkelman filed the proposed amicus brief on October 20, 2026.
Legal Context
The filing contends that the court must interpret financial evidence through the lens of Generally Accepted Accounting Principles to determine if fraud occurred. This approach mirrors efforts to standardize how real estate assets are valued for personal financial statements in high-stakes litigation.
This filing highlights the ongoing debate over how property valuations impact legal penalties in civil fraud cases within New York. The case's outcome could set a precedent for how business entities report assets in future state-level litigation.
The takeaway
The involvement of an academic expert highlights the complexities of translating technical accounting standards into legal penalty calculations. Readers should note that expert testimony or filings often aim to challenge the mathematical methodologies used by lower courts during appeal.
Further reading
For more on the proceedings, visit the Financial Crime section.
Source note: This article includes information reported by CFO Dive.
Live Poll
Do you believe financial reporting standards should be strictly enforced for all property value estimates?
