Yvonne R. Cort

Yvonne R. Cort

Yvonne is Counsel at Tenenbaum Law, P.C. concentrating in the resolution of Federal and New York State tax controversies. She has extensive experience handling issues involving income tax, sales tax audits, residency audits, responsible person assessments, installment agreements and offers in compromise.

Yvonne has been quoted in Newsday and the Long Island Business News and interviewed for News 12 Long Island with respect to negotiating with the IRS. She served as Chair of the Nassau County Bar Association Tax Committee and the IRS Long Island Practitioner Liaison Group. She has an AV® Preeminent™ rating by Martindale-Hubbell.


• Admitted to practice in New York and Pennsylvania.

• Admitted to practice in the U.S. Tax Court.

• U.S. Court of Appeals, Second Circuit; U.S. District Court, Western and Southern Districts of New York; Pennsylvania; U.S. District Court, Eastern District of Pennsylvania


• University of Pennsylvania, J.D.

• University of Rochester, B.A., magna cum laude

In the Press: 

• Appeared on Takin' Care of Business radio show with host Richard Solomon, WCWP 88.1FM, "NYS Residency, NYS & IRS Tax Collections, and Financial Literacy," November 2013

• Appeared on Long Island Money and Business with co-hosts Jeff Silverman and John Panaro, WLIE 540AM, "NYS Residency & IRS-NYS Collection Issues," May 2013

• Appeared on Law You Should Know with host Ken Landau, WHPC 90.3PM, "NYS Residency & IRS-NYS Collection Issues," January 2013


• Past Chair, Tax Law Committee, Nassau County Bar Association (2010-2012)

• Past Co-Vice Chair, Tax Law Committee, Nassau County Bar Association (2008-2010)

• Past Chair, IRS Long Island Practitioner Liaison Group (2005-2007)


• Long Island Tax Professionals Symposium Committee

• Nassau County Bar Association (Tax Law Committee)

• Suffolk County Bar Association (Taxation Law Committee)


"There's No Place Like Home, Says the Taxman: A Residency Primer", The Senior Lawyer (Fall 2014)

"More than Just Day Counts: Changing Your Domicile Means Changing Your Life, Not Just Your Physical Location", Journal of Multistate Taxation and Incentives (September 2014)

• “Seizing the (183) Day in NYS Residency Audits”, NYSSCPA Tax Stringer (February 2014)

 “Baby You Can Drive My Car..... If You’ve Paid Your Taxes: NYS May Suspend Driving Privileges for Delinquent Taxpayers”, NYSSCPA, Nassau Chapter Newsletter (September 2013)

• “New York State 2012 Guidelines Clarify Residency Rules”, NYSSCPA, Nassau Chapter Newsletter (October 2012)

“NYS Residency: Non-resident Filers Should Be on Alert”, 61 Nassau Lawyer 7, at 11 (March 2012)

• “Federal Offers in Compromise: Is This a Good Time? Recent Changes May Help”, NYSSCPA, Nassau Chapter Newsletter (September 2011)


• Nassau Academy of Law

• The Tax and Accounting Institute (Long Island University at C.W. Post)

• Long Island Tax Professionals Symposium