Biography
For over twenty years, Yvonne has assisted individuals and businesses with IRS and NYS tax matters including New York State and New York City residency audits, IRS and NYS audits and appeals, unfiled returns, income tax, sales tax, withholding tax, responsible person assessments, liens and levies, tax warrants, innocent spouse, voluntary disclosure, installment agreements and offers in compromise.
Yvonne has been selected for over ten years to New York Metro SuperLawyers, a designation given to only 5% of the lawyers in the state. She has served as a Member-at-Large of the Executive Committee of the NYS Bar Association Tax Section, where she has contributed to policy papers. She has held leadership positions including Chair of the IRS Downstate New York Practitioner Liaison Group; Chair of the Business Law, Tax and Accounting Committee of the Nassau County Bar Association; Co-Chair of the Attorneys and Accountants Joint Committee of the NYS Society of CPAs, Nassau Chapter; member of the Executive Committee of the Accounting and Tax Symposium. Yvonne has been honored as one of the Top 50 Women in Business (LIBN), one of the Power Women in Business (Schneps – Long Island Press) and Premier Business Women of Long Island (Herald).
Yvonne’s numerous articles on tax topics have been featured in accounting and legal publications such as the Journal of Multistate Taxation and Incentives, and the Tax Stringer, published by the New York State Society of CPAs. She is a regular speaker for many professional groups. Yvonne has been interviewed by various media outlets, and she has been quoted in leading publications including Bloomberg BNA, Crain’s New York Business, and Newsday.
Yvonne received her B. A. magna cum laude from the University of Rochester, and her J.D. from the University of Pennsylvania Carey Law School. Yvonne is admitted to the Bar in New York and Pennsylvania, and admitted to practice before the United States Tax Court.
Testimonial
We feel truly lucky to have found such a wonderful attorney. Your commitment and dedication to your clients and their hardships was exceptional. You were there for us during the worst. – N
Education
- J. D., University of Pennsylvania Law School
- B. A., University of Rochester (magna cum laude)
- 2024 Long Island Herald’s Premier Business Women of Long Island honoree
- Super Lawyers: 2015 – 2026
Top Rated Syosset, NY Tax Attorney | Yvonne Cort | Super Lawyers
- 2020 Long Island Business News Top 50 Women in Business
- 2018 Power Woman of Long Island Honoree
- New York Metro Super Lawyers (selected 2015 – 2020)
Publications & Presentations
Presentations
- December 4, 2025: NYCPA Nassau/Suffolk Chapter All-Day Tax Conference, “NYS and NYC Audits and Collection: Top Ten Pitfalls and Tips”
- December 4, 2025: NYCPA Nassau/Suffolk Chapter All-Day Tax Conference, “Updates and Tips for Dealing with the IRS in Today’s Environment”
- December 2, 2025: NYCPA Tax Planning for Business Entities Conference, “Updates and Tips for Dealing with the IRS in Today’s Environment”
- November 19, 2025: Accounting and Tax Symposium, Moderator of Keynote Panel on OBBA
- November 19, 2025: Accounting and Tax Symposium, “Top Ten Pitfalls and Tips for NYS and NYC Audits and Collection”
- September 9, 2025: HalfMoon 2025 NYS Tax Update
- June 26, 2025: NYU SPS 17th Annual Tax Controversy Forum, “Handling Disputed Tax Issues in Bankruptcy”
- June 17, 2025: Webinar, “Thinking of Leaving New York? What You Need to Know”
- May 1, 2025: Network of Allied Professionals Inc., “IRS and NYS Filing Nightmares: Tales and Tips About Nonfilers, Refunds and Penalties”
- December 5, 2024: NYS Society of CPAs, Nassau/Suffolk Chapters Tax Conference, “Top Ten Tips for NYS/NYC Residency Audits”
- November 20, 2024: Accounting and Tax Symposium “Get Ready for NYS/NYC Residency Audits! The Taxman is Coming…”
- September 5, 2024: HalfMoon 2024 NYS Tax Update
- August 5, 2024: “NYS Residency Primer: Leaving NY? Have a Second Home in NY? Get Ready for an Audit!” Virtual Webinar
- June 27-28, 2024: NYU School of Professional Studies 16th Annual Tax Controversy Forum
- November 30, 2023: NYSSCPA Annual Tax Conference
- November 15-17, 2023: Estate Administration for CPAs: Accounting and Tax Symposium
- August 14, 2023: Divorce Directions Summit
- June 8-9, 2023: Strategies and Tips for Navigating Collection Appeals: 15th Annual Tax Controversy Forum
- September 20, 2022: Webinar – How to Prove Florida Residency to NY Tax Auditors
- June 8, 2022: WOL Table Talk on Best Tax Strategies
- September 30, 2021: New York Residency Audits & Telecommuting Webinar
- July 11, 2019: Tax Challenges and Compromises: Accounting and Finance Show: 2019
- November 16, 2018: Long Island Tax Symposium: IRS Collections Updates: Passports at Risk
- August 16, 2018: Long Island University Civil and Criminal Tax Controversy Forum
- July 12, 2018: Collateral Consequences of Not Paying Taxes: Passports, Driver’s Licenses at Risk
- June 20, 2018: NYU School of Professional Studies 10th Annual Tax Controversy Forum
- June 5, 2018: Long Island University Post School of Professional Accountancy Tax & Accounting Institute. The discussion focused on Federal & State Tax Controversy.
- June 15, 2017: Losing Your Drivers’ License, Passport or Worse: Collateral Sanctions for Tax Non-Compliance, New York University 9th Annual Tax Controversy Forum
- September 7, 2017: Tax Examination Protests & Appeals: What To Do When You Disagree in a Tax Audit
- September 19, 2017: Federal Tax Update
- September 28, 2017: Attorneys and You: Working Together for Your Clients
- November 16, 2017: Two Views From Audit to BCMS: Tips for a NYS Residency Audit, Long Island Tax Professionals Symposium
- December 2, 2017: IRS Collection Update
Insights
- Missed the Tax Filing Deadline? Here’s How to Get Back on Track. Wealth of Geeks. May 2023
- Think Before You Sign: NYS Upholds Personal Responsibility for Sales Tax. NCCPAP. May 2023
- Audits On The Rise Amid A Resurgent IRS. Investment News. May 2023
- Top Ten Tax Tips for Divorce. April 2023
- Are More SMB Tax Audits Coming? Business News Daily. November 2022
- Some Second-Home Owners Could Avoid New York Income Tax Under Court Decision. The Southampton Press. July 2022
- When to Call a Tax Attorney Instead of an Accountant. Super Lawyers. January, 2022
- Innocent Spouse Update: A change in the law, and what constitutes actual knowledge. NCCPAP. 2022
- Telecommuting: New York Brings the Taxes Home. NCCPAP Nassau/Suffolk Chapter Newsletter, Volume 3, Issue 1 (July 2021)
- Two Houses, One Home: NYS Residency and Domicile in the Time of COVID-19 May, 2020
- Installment Agreements: The Eight Top Tips You Need to Know, NCCPAP Nassau/Suffolk Chapter Newsletter, Volume 63, Issue 2 (October 2018)
- Bipartisan bill would overhaul IRS for first time since 1998, Ms. Cort was quoted in “The Trusted Professional” June/July 2018
- Clients Want to Move Out of New York? Make Sure Your Clients Know What To Do, NCCPAP Nassau/Suffolk Chapter Newsletter, Volume 10, Issue 2 (April 2018)
- IRS Administrative Appeals Update, NCCPAP Nassau/Suffolk Chapter Newsletter, Volume 63, Issue 2 (October 2017)
- Responsible Person Assessment in New York State: What You Don’t Realize Might Hurt You, NYSSCPA, Nassau Chapter Newsletter, Vol 61/Issue 2 (October 2016)
- “License to Overkill: New York State Seeks to Tax Nonresident Lawyer on Florida Income”, NYSSCPA, Nassau Chapter Newsletter, Vol. 60/ Issue 1 (September 2015).
- “More than Just Day Counts: Changing Your Domicile Means Changing Your Life, Not Just Your Physical Location”, Journal of Multistate Taxation and Incentives, Vol 24/No. 6 (Co-author, September 2014).
- “Maintaining a Permanent Place of Abode: Still Strictly Viewed by the Department?” NYSSCPA, Nassau Chapter Newsletter, Vol 59/Issue 1 (September 2014)
- “There’s No Place Like Home, Says the Taxman: A Residency Primer”, New York State Bar Association, The Senior Lawyer, Vol. 6/No. 2 (Fall 2014).
- “Seizing the (183) Day in NYS Residency Audits”, New York State Society of CPA’s 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, Vol. 58/ Issue 1 (September 2013).