Practice Areas
Education
University of Virginia – B.S. in Commerce – Finance and Accounting Concentration - 2003
University of Virginia – M.S. in Accounting – Tax concentration - 2004
University of Georgia – J. D., cum laude - 2009
Honors
Best Lawyers in America® - Tax Law, 2025
Best Lawyers in America® - Litigation & Controversy - Tax, 2025
Georgia Journal of International and Comparative Law – Articles Editor - 2009
Georgia Rising Star, 2019
Listed, Best Lawyers in America (2023-present)
Bar Admissions
Georgia
Court Admissions
Georgia Superior Court
Georgia Supreme Court
U.S. Tax Court
Clerkships
Judge Thomas B. Wells, United States Tax Court, 2009-2010
Profile
John Hackney specializes in Federal and state tax controversy matters and tax litigation, including tax-related examinations and administrative appeals involving individuals, business enterprises, partnerships, limited liability companies, corporations and others. John has extensive expertise on a broad variety of both substantive and procedural tax issues often involving sophisticated and complex legal issues including significant Family Office matters, tax penalty abatements, Section 469 passive activity losses, tax issues associated with private aircraft ownership, estate and gift tax valuation issues, captive insurance, syndicated conservation easements, and related activities, Employee Retention Credits (ERC), research and development credits, accounting method issues, Section 1031 “like-kind exchanges”, and Section 183 hobby losses.
John often serves as a trusted advisor for high-wealth individuals and has extensive experience in the tax arena that precedes his law practice. He has a master’s degree in accounting with a tax concentration, and prior to attending law school, he worked as a CPA for PricewaterhouseCoopers in its tax department focusing on compliance work for large private equity clients and wealthy families. John also previously served as an attorney-advisor for Judge Thomas B. Wells of the U.S. Tax Court.
Results
- Barber v. Commissioner – IRS asserts various issues against small business owner. Case settled for less than 10 percent of the amount due. April, 2011.
- Houghton v. Commissioner – Taxation of alimony payments under Georgia law. Spring 2011; Fall, 2014.
- Ahmed v. Commissioner – IRS asserts § 469 issues. Settled in Appeals with zero liability. August, 2011.
- Jerdan v. Commissioner – IRS contends that taxpayer failed to correctly elect Q Subchapter S Subsidiary status and failed to substantiate several expenses. Settled with Counsel for zero liability. August, 2011.
- Shapiro v. Commissioner –IRS contends that taxpayer’s operation of airplane constituted a hobby under § 183. IRS conceded 78 percent. November, 2011.
- Lampton, et al, v. Commissioner – IRS asserts ($15.5 million) taxpayer misstated value of stock. IRS concedes case and enters into closing agreement confirming validity of stock agreement. January, 2012.
- Williams v. Commissioner – IRS asserts change in accounting method. Appeals concedes entire case. August, 2012.
- Zachary v. Commissioner – IRS asserts adjustment to timber valuation. Favorable tax settlement and no penalties. Sept, 2012.
- Kennedy v. Commissioner – IRS asserts taxpayer operates horse business as hobby. IRS concedes 70 percent of issue. Sept, 2012.
- Fowler v. Commissioner – IRS asserts variety of issues against small business owner. IRS concedes 88 percent of case against businesses, and taxpayer. Net refund based on protective payments made. September, 2012.
- Houston v. Commissioner – IRS asserts § 183 disallowance against taxpayer's farming operations. IRS concedes 95 percent of the case. October, 2012.
- Sechler v. Commissioner – IRS asserts that taxpayer was not in business of lending money. Complete concession. February, 2013.
- Westwind v. Commissioner - IRS asserts that taxpayer operated airplane business as hobby. Complete concession. March 2013. IRS concedes later years in Appeals based on concession of 2007.
- Nall Development Corporation v. Commissioner – IRS denies bad debt deduction even though borrower included cancelation of indebtedness as income. IRS concedes bad debt issue resulting in savings of 93 percent of asserted deficiency. October 2013.
- CryoSurgery v. Commissioner – IRS asserts $30 million in pension plan penalties. Taxpayer enters into closing agreement with IRS on retirement plan issue. July 2013.
- McDow v. Commissioner – IRS asserts $2.3 million in tax and interest for 3 years. Settlement results in a savings of 93 percent of the amount requested. March, 2014.
- Fortune 50 Client – Represent client during audit and appeals. Among other issues, IRS asserts a value of $95 million for transfer of software to related entity, with a net adjustment of $91 million. The Appeals Office settles on a value of $21 million, with a net adjustment of $7 million. Overall, Client receives a refund. Fall, 2013.
- Fortune 50 Client - IRS asserts that § 1031 should not apply to $30 million of transfers of aircraft, that client failed to properly account for securities under the mark-to-market method of accounting, and that client cannot claim research credit on certain projects. IRS concedes § 1031 issue and enters into closing agreement on mark-to-market issue. Spring, 2014.
- Fortune 50 Client – Part of team which provided support for the ordinary deduction of €200 million termination fee.
- Smisson v. Commissioner – Follow up to Westwind v. Commissioner dealing with personal issues arising from audit of aircraft entity. IRS asserts deficiencies and penalties of $1.2 million for business operation of jet entity, aggregation of medical device businesses, and other issues. IRS concedes majority of issues and parties settle for 13 percent of amount due. October, 2014.
- Rosenberg v. Commissioner – IRS asserts mark-to-market adjustment to a single entity of a related group of mortgage companies, without asserting the same adjustment to the similarly situated entities. Favorable settlement. October, 2014.
- Colavito v. Commissioner – IRS asserts deficiency for alimony payments and receipt of law suit settlement, including that settlement proceeds should be subject to self-employment taxes. Settlement at 16 percent of amount due. May, 2015
- Cerisoles v. Commissioner – IRS asserts various adjustments including Section 183/hobby loss, substantiation, and basis issues. Favorable IRS settlement. August, 2015.
- Ostad v. Commissioner – Represent taxpayer with respect to captive insurance deductions. December, 2015.
- Givens v. Commissioner – IRS asserts that taxpayer was not a bona fide resident of the U.S. Virgin Islands. IRS agrees to favorable settlement. September, 2015.
- Cochran v. Ga. Department of Revenue – Georgia asserts taxes and penalties. After contact with Georgia Taxpayer Advocate, Georgia agrees to remove all taxes. August, 2014.
- Cecil v. Commissioner (tried, opinion pending). Despite previously agreed valuation formulas, the IRS claimed $33 million in gift taxes, and interest by contending that a remarkable company must be disregarded for want of economic substance and that the family undervalued gifts of stock. By trial, the IRS reduced its claim to $3.5 million. The family denies any deficiency, claims a refund of $4 million, and remains optimistic about prevailing on a USPAP 9-3 matter of first impression and reversing prior precedent that failed to recognize S corporation tax affecting.
- Lender Management, LLC v. Commissioner, T.C. Memo 2017-246 (2017). Also as a matter of first impression, the Tax Court agreed that the “family office” constituted a Section 162 trade-or-business instead of a Section 212 investment activity (subject to AMT limitations).
Case Studies
Speeches
- Forge Community – Memphis Gathering: Tax, Legal, and Regulatory Risks for Family Offices - Panel with Craig Delucia of Broward Grove, November 19, 2024
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BBA Workshop: TEFRA Leave Us Feeling BBA’AD: An Overview of the New Centralized Partnership Audit Regime, January 11, 2023
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Virtual Option - BBA Workshop: TEFRA Leave Us Feeling BBA’AD: An Overview of the New Centralized Partnership Audit Regime, January 11, 2023
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Chamberlain Hrdlicka's 43rd Annual Tax and Business Planning Seminar is virtual for 2021, November 4, 2021
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Chamberlain Hrdlicka Virtual Annual Tax and Business Planning Seminar for 2020, November 10, 2020
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"The Devil is In the Details - Current Developments Affecting Individuals and Businesses" – Georgia Tax Forum Atlanta – Georgia Society of CPAs, November 2019
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Chamberlain Hrdlicka 34th Annual Atlanta Tax and Business Planning Seminar - November 12 at Crowne Plaza Ravinia, November 12, 2019
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"No Good Deed Goes Unpunished - The IRS War on Conservation Easement" – 34th Annual Chamberlain Hrdlicka Business and Tax Planning Seminar – November 2019
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"The Devil is In the Details" - Current Developments Affecting Individuals and Businesses – Georgia Tax Forum Atlanta – Georgia Society of CPAs – November 2019
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"What, Me Deduct? What Every CPA Needs to Know About The Lender Case and Deducting The Costs of a Family Office" - Georgia Society of CPAs - North Atlanta Chapter - September 2019
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“No Good Deed Goes Unpunished: The IRS War on Conservation Easements” – Georgia Society of CPAs Real Estate Conference - June 2019
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“No Good Deed Goes Unpunished: The IRS War on Conservation Easements” – Mauldin and Jenkins ES Conference - June 2019
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“Family Office Structure in Light of Lender Management” - Mauldin and Jenkins ES Conference – June 2019
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Simply Tax Episode 64: Inside the Lender Management Decision -June 2019
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Chamberlain Hrdlicka 33rd Annual Atlanta Tax and Business Planning Seminar - Four Seasons Hotel Atlanta, November 2018
- "Federal Tax Controversies – A Practical Approach,” Tax Executives Institute - Hilton Head, SC - June 2018
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“Let’s Party Like It’s 1986 – A Rousing Discussion of the New Tax Bill” - Quarterly Tax Forum - February 2018
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"Top Ten Tax Traps and How to Deal with Them" - Georgia Society of CPAs – Georgia Tax Forums – Atlanta and Savannah – November 2017
Publications
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“Is Debt Relief Really Just a Debtor’s Prison? Federal Tax Consequences of Debt Relief”, Bloomberg Tax, October 28, 2020
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"IRS Undermines Congressional Intent for Relief Loans" article in Bloomberg Tax, Bloomberg Tax, October 2, 2020
- "How to Get Your Easement Audit-Ready," Tax Notes Federal, February 3, 2020
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“Eight Things to Do When the IRS Wants to Audit Your Conservation Easement,” CPA Practice Advisor, October 2019
- "Gift Tax Returns: Adequate Disclosure is Key," Wealth Management, October 2017
- "Roberts Turns Your Loss Analysis Up to 11," Tax Notes, September 2017
- "Appeals Judicial Approach and Culture: A Quantum Improvement," The Georgia Society of CPA's, Current Accounts, March/April 2015.
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"Wrangling with the Regs," Accounting Today, August 2015
Professional Affiliations
- State Bar of Georgia – Tax Section
News
News
- Letter from Chamberlain Hrdlicka's Tax Controversy & Litigation Practice HighlightedAugust 22, 2024
- Best Lawyers in America® recognizes 87 Chamberlain Hrdlicka attorneys in a peer selection process for the 2025 edition of Best Lawyers in AmericaAugust 15, 2024
- Best Lawyers in America® recognizes 87 Chamberlain Hrdlicka attorneys in a peer selection process for the 2024 edition of Best Lawyers in AmericaAugust 17, 2023
- Ryan Carlock and Sean Gannon are focus of Law360 Pulse article on joining Chamberlain HrdlickaLaw360, February 17, 2023
- Article in Law360 Pulse about Erin Hines joining the Atlanta OfficeLaw360 Pulse, December 11, 2022
- Best Lawyers in America® recognizes 72 Chamberlain Hrdlicka attorneys in a peer selection process for the 2023 edition of Best Lawyers in AmericaAugust 18, 2022
- Chamberlain Hrdlicka Ranks in Top Ranked Legal for Tax and ImmigrationJuly 19, 2022
- Article in Bloomberg Tax on John HackneyBloomberg Tax, July 1, 2022
- Chamberlain Hrdlicka's 43rd Annual Tax and Business Planning Seminar is virtual on November 2-4, 2021. Register to participate.November 2, 2021
- Legal 500 Firm and Individual Rankings Improve at Chamberlain Hrdlicka for 2021June 21, 2021
- Virtual This Year! Chamberlain Hrdlicka Virtual Annual Tax and Business Planning Seminar is November 10-12, 2020November 10, 2020
- Law360 Names Attorneys Who Moved Up the Firm Ranks in Q1April 28, 2020
- 2020 Georgia Super Lawyers and Rising Stars Named at Chamberlain HrdlickaMarch 4, 2020
- February 13, 2020
- November 12, 2019
- February 7, 2019
- Article by John Hackney on "Private aviation finances changed with new tax law"Atlanta Business Chronicle, November 16, 2018
- October 12, 2018
- February 2018
- April 28, 2017
- Citybizlist Atlanta, February 4, 2017
- Atlanta Business Chronicle, February 3, 2017
- January 2017
Presentations
Seminars & Presentations
- Chamberlain Hrdlicka Annual Tax and Business Planning Seminar will present a variety of important and timely topicsWestin Perimeter, 7 Concourse Pkwy, Atlanta, GA, November 29, 2023
- TEFRA Leave Us Feeling BBA’AD: An Overview of the New Centralized Partnership Audit Regime191 Peachtree Street, 4th Floor Conference Center, January 11, 2023
- TEFRA Leave Us Feeling BBA’AD: An Overview of the New Centralized Partnership Audit RegimeVirtual Option, January 11, 2023
- Chamberlain Hrdlicka attorneys speak at the 2023 Houston CPA Society Tax ExpoSugar Land Marriott Town Square, Sugar Land, TX, January 9, 2023
- 43rd Annual Tax and Business Planning Virtual Seminar is on November 2-4, 2021November 4, 2021
- November 10, 2020
- "The Devil is In the Details - Current Developments Affecting Individuals and Businesses" – Georgia Tax Forum Atlanta – Georgia Society of CPAsNovember 2019
- November 12, 2019
- "What, Me Deduct? What Every CPA Needs to Know About The Lender Case and Deducting The Costs of a Family Office" - Georgia Society of CPAs - North Atlanta ChapterSeptember 2019
- “No Good Deed Goes Unpunished: The IRS War on Conservation Easements” – Georgia Society of CPAs Real Estate ConferenceJune 2019
- June 7, 2019
- November 15, 2018
- "Federal Tax Controversies – A Practical Approach"- Tax Executives Institute - Hilton Head, SCJune 2018
- “Let’s Party Like It’s 1986 – A Rousing Discussion of the New Tax Bill” - Quarterly Tax Forum - February 2018
- "Top Ten Tax Traps and How to Deal with Them" - Georgia Society of CPAs - Georgia Tax Forums - Atlanta and SavannahNovember 2017
Publications
Publications
- Article by John Hackney and Jasen Hanson on “Is Debt Relief Really Just a Debtor’s Prison? Federal Tax Consequences of Debt Relief”Bloomberg Tax, October 28, 2020
- Article by John Hackney and Jasen Hanson on "IRS Undermines Congressional Intent for Relief Loans"Bloomberg Tax, October 2, 2020
- Article by John Hackeny on "How to Get Your Easement Audit-Ready"Tax Notes Federal, February 3, 2020
- CPA Practice Advisor, October 28, 2019
- Wealth Management, October 18, 2017
- Tax Notes, September 11, 2017
- "Appeals Judicial Approach and Culture: A Quantum Improvement" The Georgia Society of CPA's, Current Accounts, March/April 2015.
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Wrangling with the Regs Accounting Today, August 3, 2015