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DIOSDI & LIU, LLP
SF Tax Counsel.
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Anthony Diosdi
Kerrin Liu
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DIOSDI & LIU, LLP
SF Tax Counsel.
Home
Attorneys
Anthony Diosdi
Partner
Kerrin Liu
Partner
Attorneys
View All Attorneys
Anthony Diosdi
Kerrin Liu
About
Practice Areas
Tax Audits, Controversies, and Litigation
International Penalties
Tax Planning and Opinions
International Tax Planning and Advice
Cross-Border Mergers and Acquisitions
Tax-Exempt and Nonprofit Organizations
Independent Contractor Disputes
Criminal Tax Representation
Cryptocurrency Tax Matters
Tax Preparation
IRS Representation and Compliance
Estate Tax Planning
Estate and Gift Tax for Foreign Investors
Expatriation
Tax Planning of Cross-Border Cloud Computing Transactions
FIRPTA
Tax Preparation of Form 5471
Taxation of Foreign Pensions
FBAR Preparation and Penalty Defense
Preparation of Form 5472
Commercial Litigation
State Tax Planning and Litigation
IRS Offshore Voluntary Disclosure Representation
Preparation of Form 8621 and PFIC Reporting
Practice Areas
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Tax Audits, Controversies, and Litigation
International Penalties
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International Tax Planning and Advice
Cross-Border Mergers and Acquisitions
Tax-Exempt and Nonprofit Organizations
Independent Contractor Disputes
Criminal Tax Representation
Cryptocurrency Tax Matters
Tax Preparation
IRS Representation and Compliance
Estate Tax Planning
Estate and Gift Tax for Foreign Investors
Expatriation
Tax Planning of Cross-Border Cloud Computing Transactions
FIRPTA
Recognition
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Speeches
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505 Montgomery St. 11th Floor
San Francisco, CA 94111
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4900 Hopyard Rd. Suite #100
Pleasanton, CA 94588
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2598 E. Sunrise Blvd. Suite 2104
Fort Lauderdale, FL 33304
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International Tax Law Posts
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International Tax Law
Recent Posts
Litigation Considerations When Facing the Economic Substance Doctrine
January 8, 2026 | Anthony Diosdi
The economic substance doctrine prevents taxpayers from subverting the legislative purpose of the Internal Revenue Code by e…
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An Overview of the Taxation of Cross-Border Hedging and Notional Principal Contracts Involving CFCs
September 17, 2025 | Anthony Diosdi
Notional principal contracts typically employ swaps and other reciprocal arrangements that provide for payments at specified…
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A Case for Bringing an APA Challenge to an IRS International Penalty Assessment
September 2, 2025 | Anthony Diosdi
The Internal Revenue Code contains countless reporting requirements regarding foreign filing obligations. The failure to tim…
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U.S.-U.K. Tax Treaty and U.K. Foreign Pension Planning Opportunities
July 29, 2025 | Anthony Diosdi
This article assesses the tax impact of Article 17, “Pension, Social Security, Alimony, and Child Support” and Article 19 “P…
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An Overview of the Closer Connection Test and Treaty Tie-Breaker Provisions Available to Avoid U.S. Taxation on Foreign Source Income
July 9, 2025 | Anthony Diosdi
Of the world’s tax systems, most countries’ bases for taxation are residency and source of income. As a result, most global…
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Can Establishing Puerto Rican Residency Avoid Subpart F and GILTI Inclusions?
June 27, 2025 | Anthony Diosdi
As a U.S. territory, Puerto Rico can offer significant tax benefits to U.S. citizens. With proper planning, U.S. citizens es…
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Are Foreign Insurance Companies Subject to the PFIC Tax Regime?
June 27, 2025 | Anthony Diosdi
Sometimes U.S. investors set up insurance companies offshore for a variety of reasons. Often insurance companies established…
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An Overview of the United States- Mexico Income Tax Treaty
March 12, 2025 | Anthony Diosdi
The major purpose of an income tax treaty is to mitigate international double taxation through tax reduction or exemptions o…
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Demystifying IRS Form 5471 Schedule G
February 21, 2025 | Anthony Diosdi
Form 5471 (Information Return of U.S. Persons With Respect to Certain Foreign Corporations) is used by certain U.S. persons…
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Demystifying the New IRS Form 5471 Schedule M Used to Report CFC Transactions with Related Parties
February 21, 2025 | Anthony Diosdi
Form 5471 (Information Return of U.S. Persons With Respect to Certain Foreign Corporations) is used by certain U.S. persons…
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Tax Planning
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