Upcoming National Meeting

2024 Spring Conference / Audit Session

This three and a half day conference will bring multistate tax professionals, with various levels of experience in state and local income/franchise taxes and sales/use taxes together in an environment that allows for extensive interaction and exchange of information as well as updates on key SALT issues and insights regarding state tax trends and opportunities. The program is targeted to all level

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Newsletters & Media

Cost Conscious

ISSUE 24-08; April 19, 2024

State Corporate Income Tax Filing Methods (Part 1) – In recent years, many states have either changed or considered changing their default corporate tax filing. New Jersey adopted water’s-edge combined reporting in 2019 only to come back in 2023 with a proposal to allow the Director of Tax to “decombine” taxpayers. Maine, New Hampshire, and Vermont have studied the implementation of mandatory worl

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Bloomberg TAX

Hedge Fund Founder Claims Cum-Ex Trades Were ‘Completely Legal’

April 25, 2024

Sanjay Shah, the hedge fund founder accused of masterminding a Cum-Ex trading scheme that robbed £1.4 billion ($1.7 billion) from the Danish government, claimed he thought the transactions were “completely legal.”

PwC Australia Adds Six Partners to Board to Lead Firm’s Changes

April 25, 2024

PwC Australia has elected six partners to its governance board to help roll out business changes following a major tax leak scandal.

How DLA Piper Learned to Stop Worrying and Love Generative AI

April 25, 2024

Loren Brown is the rare law firm leader I've spoken with who can articulate a business plan around generative artificial intelligence.The US vice chair of DLA Piper has a strategy to capture new, AI-related work today while investing in people and technologies that could build the future law firm that many lawyers find so distressing.

Companies Seek Microsoft Treatment in California Tax Refund Bid

April 25, 2024

Microsoft Corp.'s $94 million win at California's Office of Tax Appeals should be declared a precedent for how the state taxes any company with income repatriated from abroad, major business interests told the office.

Disney, IBM New York Case Tees Up Commerce Clause for Justices

April 25, 2024

A recent decision about New York's tax treatment of foreign royalties will give the US Supreme Court a chance to take up another state tax case about the scope of the dormant commerce clause.

How EY Is Tackling Global Minimum Tax Compliance (Podcast)

April 25, 2024

The new 15% global minimum tax that took effect this year is turning out to be compliance beast.

Temporary Tax Laws Make Advising Clients a Tea Leaf Reading Game

April 25, 2024

Dentons' John Harrington questions the rise of temporary tax provisions. saying the complexity of tax laws is growing while congressional action on legislation slows.

France Wants Share Buyback Tax in 2025 Budget Bill, Figaro Says

April 25, 2024

The French government wants to include a measure to tax companies’ share buybacks in the budget bill for 2025, Le Figaro reports, without saying how it got the information. 

UK Labour Government Would Add Risk to Oil Project, Equinor Says

April 25, 2024

Norwegian oil giant Equinor ASA will have to weigh plans to develop the Rosebank oil field if the UK’s Labour Party wins the next election and decides to change the North Sea’s tax framework.

S. Korea Opp. Lawmaker Calls for Financial Income Tax as Planned

April 24, 2024

Jin Sung-joon, chief policymaker of South Korea’s main opposition Democratic Party, urges to introduce financial investment income tax next year as planned. 

Featured Resources

COST - Council on State Taxation

Amicus Briefs

Garcia, D. v. American Eagle Outfitters, Inc.

COST’s brief in the Supreme Court of Pennsylvania Western District addresses whether a class action filed under Pennsylvania’s consumer protection laws for alleged overcollections of sales tax should be dismissed.

COST - Council on State Taxation

COST Studies, Articles & Reports

Mandatory Worldwide Combined Reporting: Elegant in Theory but Harmful in Implementation

This paper documents the harmful and unnecessary implications surrounding state adoption of mandatory worldwide combined reporting (MWWCR), by Douglas L. Lindholm and Marilyn A. Wethekam of the Council On State Taxation (COST).

COST - Council on State Taxation

COST Comments & Testimony

Letter to the Legislature in Support of S.B. 150, Centralization of Accommodations Taxes

COST submitted testimony in support of Alabama legislation S.B. 150 and H.B. 220, seeking centralization of accommodations taxes.