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Tax Law and International Tax Law

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Tax law and international tax law thought leadership, articles, podcasts, videos and webinars from expert sources across the legal world. Explore insights covering topics such as capital gains tax, corporate tax, income tax, inheritance tax, national insurance, property taxes, sales taxes, VAT, GST, tax authorities, transfer pricing and withholding tax.

Courts Revisit The Rules For Section 501(c)(4) Political Activity And Exempt Status

Two recent federal court decisions have unsettled the legal landscape governing political activity and exemption for Section 501(c)(4) organizations.

United States Tax

B

BakerHostetler

GeTtin' SALTy Episode 65 | From Railroad Tracks To SALT Stacks: Welcoming Nicki Howard To GT's State & Local Tax Team (Podcast)

In this engaging episode of the GeTtin' SALTy podcast, host Nikki Dobay sits down with the newest member of Greenberg Traurig's SALT team, Nicki Howard.

United States Tax

GT

Greenberg Traurig, LLP

Washington's Four-Month Window: A Limited-Time Amnesty Program For International Sellers

Foreign companies selling into Washington State may have just received an unexpected gift.

United States Tax

GT

Greenberg Traurig, LLP

A&M Tax Policy Insights – October 2025

The Global Tax Policy and Controversy (TPC) Group at A&M Tax is pleased to bring you this month's edition of newsletter, A&M Tax Policy Insights.

AM

Alvarez & Marsal

Modalités De Calcul Du Ratio Dʼactifs Pour Les Besoins De LʼArticle 123 Bis Du CGI – Le Conseil DʼÉtat Valide La Prise En Compte Des Valeurs Réelles Des Actifs

United States Tax

CG

Cohen & Gresser

The One Big Beautiful Bill Act: Key Year-End Tax Changes For Private Wealth Clients

United States Tax

KM

Katten Muchin Rosenman LLP

Relevant International Updates

United States Tax

KM

Katten Muchin Rosenman LLP

Select Federal Caselaw Updates

United States Tax

KM

Katten Muchin Rosenman LLP

Planning Considerations For The Rest Of 2025 And Into 2026

United States Tax

KM

Katten Muchin Rosenman LLP

IRS Takes A Second Look At The FIRPTA Look-Through Rule And Reverses Course

United States Tax

CW

Cadwalader, Wickersham & Taft LLP

Crypto Thanksgiving: New Grantor Trust And Broker Reporting Guidance

United States Tax

CW

Cadwalader, Wickersham & Taft LLP

IRS Serves Foreign Securities Lenders "Borrow Fee" Guidance For Thanksgiving

United States Tax

CW

Cadwalader, Wickersham & Taft LLP

U.S. Tax Shifts And Tariff Volatility: What Manufacturing CFOs Need To Know

United States Tax

MG

MGO CPA LLP

Multi-State Taxation For Public Companies: How To Avoid Costly Penalties

United States Tax

MG

MGO CPA LLP

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Webinars

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Recorded on 9 Jul 2025 | 2:00 PM

Digital Assets – Innovation vs Compliance: Emerging Offshore Jurisdictional Trends – How Legal Advisers' Roles Will Change

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Walkers

Recorded on 24 Jun 2025 | 3:00 PM

(2nd Session) 2025 Global In-House Counsel Survey Report: Unique Insights into the Global In-House Counsel Profession

IC

In-House Counsel Worldwide

Recorded on 24 Jun 2025 | 9:00 AM

(1st Session) 2025 Global In-House Counsel Survey Report: Unique Insights into the Global In-House Counsel Profession

IC

In-House Counsel Worldwide

Recorded on 30 Apr 2025 | 2:00 PM

Mondaq | 2025 Law Firm Data Landscape Report

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Mondaq

Related Country Guides

Tax Authorities

Series SAFE Preferred: Next-Gen Financing Tool For Founders And Investors

How is Series SAFE Preferred different? Unlike SAFEs, Series SAFE Preferred is actual stock under a filed charter. Investors gain stockholder rights from day one...

United States Finance

M

Mintz

Courts Revisit The Rules For Section 501(c)(4) Political Activity And Exempt Status

Two recent federal court decisions have unsettled the legal landscape governing political activity and exemption for Section 501(c)(4) organizations.

United States Tax

B

BakerHostetler

2025 – 2026 Planning Priorities

This year's planning season arrives amid sweeping tax and regulatory changes that affect income, wealth transfer, business, trust administration and reporting.

United States Family

KM

Katten Muchin Rosenman LLP

Integrating The IP Of New Technologies Global Tax And IP Risks (Podcast)

United States IP

MB

Mayer Brown

Considerations For Italian Companies Expanding Into The US Market

Worldwide Commercial

GT

Greenberg Traurig, LLP

GeTtin' SALTy Episode 65 | From Railroad Tracks To SALT Stacks: Welcoming Nicki Howard To GT's State & Local Tax Team (Podcast)

United States Tax

GT

Greenberg Traurig, LLP

Washington's Four-Month Window: A Limited-Time Amnesty Program For International Sellers

United States Tax

GT

Greenberg Traurig, LLP

A&M Tax Policy Insights – October 2025

AM

Alvarez & Marsal

Modalités De Calcul Du Ratio Dʼactifs Pour Les Besoins De LʼArticle 123 Bis Du CGI – Le Conseil DʼÉtat Valide La Prise En Compte Des Valeurs Réelles Des Actifs

United States Tax

CG

Cohen & Gresser

See more

Withholding Tax

Managing Tax Complexities In Global Business Transactions

Cross-border mergers and acquisitions (M&A) introduce a complex layer of international tax considerations for both US and non-US companies.

United States Commercial

GGI Global Alliance

Crypto Tax Safe Harbor: ETF Staking

Treasury and the IRS have issued a safe harbor, in the form of Revenue Procedure 2025-31, under which a crypto exchange-traded product...

United States Technology

CG

Cahill Gordon & Reindel LLP

One Big Beautiful Bill Act

On July 4, 2025, President Trump signed the One Big Beautiful Bill Act ("OBBBA") into law. Several provision in the OBBA have tax implications for private fund sponsors and their investors.

United States Tax

MB

Mayer Brown

IRS Guidance Clarifies Tax Treaty Benefits On Branch Profits Tax For Funds And Multinationals Using Reverse Hybrids

United States Tax

GT

Greenberg Traurig, LLP

The Methanex Case: Implications Of 'Treaty Shopping' And Consequences On U.S. Tax Planning For Americans

United States Tax

RS

Rotfleisch & Samulovitch P.C.

A&M Tax Policy Insights – September 2025

AM

Alvarez & Marsal

Asia Tax Bulletin - Autumn 2025

MB

Mayer Brown

F.I.R.P.T.A. Revisited -- Things To Remember When Nonresidents Invest In U.S. Real Property

United States Tax

RP

Ruchelman PLLC

New IRS Guidance On Tax Treaties Provides Reassurance For Common US Cross-Border Investment Structures

MB

Mayer Brown

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Capital Gains Tax

Series SAFE Preferred: Next-Gen Financing Tool For Founders And Investors

How is Series SAFE Preferred different? Unlike SAFEs, Series SAFE Preferred is actual stock under a filed charter. Investors gain stockholder rights from day one...

United States Finance

M

Mintz

Planning Considerations For The Rest Of 2025 And Into 2026

The years 2025-2026 mark an inflection point for estate, gift and generation-skipping transfer (GST) planning following enactment of the One Big Beautiful Bill Act (OBBBA or the Act).

United States Tax

KM

Katten Muchin Rosenman LLP

New Charitable Giving Rules For 2026 May Require 2025 Planning

New federal tax laws effective as of January 1, 2026, will change how charitable deductions work for most taxpayers. Adopted under the One Big Beautiful Bill Act...

United States Commercial

W

WilmerHale

Election Day Update: Texas Voters Approve All 17 Constitutional Amendments

United States Tax

GT

Greenberg Traurig, LLP

How Limited Partnerships Are Taxed In The U.S.: Insights, Advantages, And Drawbacks From A U.S. Tax Lawyer

United States Tax

RS

Rotfleisch & Samulovitch P.C.

Why Passive Foreign Investment Companies (PFICs) Can Have Severe Tax Consequences: A Guide For U.S. Taxpayers

United States Tax

RS

Rotfleisch & Samulovitch P.C.

End-Of-Year Tax Planning: Guidelines And Reminders For Annual Gifts

United States Tax

JM

Jeffer Mangels Butler & Mitchell LLP

The Rules Of 1031 "Like Kind" Exchanges

United States Tax

Wa

Ward and Smith, P.A.

Act Now To Prepare For Big Changes To Individual Charitable Contribution Deductions

United States Tax

SR

Shulman Rogers

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Property Taxes

State Of The States

This section surveys notable 2025 developments in trusts and estates across key jurisdictions, highlighting enacted legislation, pending proposals and consequential court decisions with practical planning implications.

United States Family

KM

Katten Muchin Rosenman LLP

Election Day Update: Texas Voters Approve All 17 Constitutional Amendments

All 17 proposed amendments to the Texas Constitution that were on the Nov. 4, 2025, ballot—which are the result of legislation the Texas Legislature passed earlier this year—have passed.

United States Tax

GT

Greenberg Traurig, LLP

Navigating The Property Tax Appeal Process: What Property Owners Need To Know

In recent years, commercial property owners have expressed concern that tax assessments are not reflecting current (and increasingly unfavorable) market conditions.

United States Tax

DM

Davis Malm & D’Agostine

Majority Of Suffolk County Towns Propose Budgets That Will Pierce New York State's 2% Tax Cap For Second Year In A Row

United States Tax

FF

Farrell Fritz, P.C.

Nassau County 2025/26 School Tax Bills Issued

United States Tax

FF

Farrell Fritz, P.C.

Florida House Releases Property Tax Reform Proposals

United States Tax

JW

Jones Walker

GeTtin' SALTy Episode 62 | California Property Tax Update: Unpacking The Olympic & Georgia Partners Decision (Podcast)

United States Tax

GT

Greenberg Traurig, LLP

Is Massachusetts Real Estate Subject To Massachusetts Estate Tax For Non-Residents

United States Real Estate

MM

McLane Middleton, Professional Association

How U.S. Commercial Real Estate Investors Can Best Leverage' Nonrecognition Tax Transactions' To Defer Tax

United States Tax

RS

Rotfleisch & Samulovitch P.C.

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Latest Videos

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Webinar – Washington's New Digital Sales Tax (Video)

BB

Beresford Booth

C Corporation: Pros & Cons For Startups (Taxes, Investors & Liability) (Video)

C

Crowley Law LLC

Maryland's Sales Tax On IT And Data Services (Video)

OK

Offit Kurman

Ten Minute Interview: Tax Cuts And Jobs Act (TCJA) (Video)

FL

Foley & Lardner

A View On The Spring Budget 2024 (Video)

AM

Alvarez & Marsal

Upcoming Events

Peter Barnes Moderates Panel On AI And The Future Of Tax Administration At IBFD X C&D Planning For An AI Future In Cross-Border Tax Administration Conference

United States Tax

CD

Caplin & Drysdale

Individual Taxation: HMO-mg! A Look At The Healthcare Tax Provisions In The OBBBA

United States Tax

GL

Groom Law Group

Scott Michel Moderates Ethics Panel At ABA Criminal Tax Fraud And Tax Controversy Conference

United States Tax

CD

Caplin & Drysdale

Clark Armitage Moderates Panel On AI And Transfer Pricing At IBFD X C&D Planning For An AI Future In Cross-Border Tax Administration Conference

United States Tax

CD

Caplin & Drysdale

Partnerships Under Pressure: Trends And Traps In The BBA Partnership Audit Regime

United States Tax

HK

Holland & Knight

Partnership Taxation: New Rules Governing The Allocation Of Debt Among Partners

United States Tax

HK

Holland & Knight

Embassy Series: Navigating US Tax Incentives: Federal And State Opportunities For Global Businesses

United States Tax

KG

K&L Gates LLP

RNG Conference 2025

United States Tax

HK

Holland & Knight

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