Upcoming National Meeting

2025 Spring Conference / Audit Session

This Spring Conference/Audit Session 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 24-25; December 13, 2024

Preparing for an Active 2025 – The softening of state revenues and the plethora of bills already prefiled for the 2025 session in many states indicate that 2025 will be a very active year for SALT legislation. Although 2024 was relatively quiet, there was some notable state legislation introduced that is likely to resurface in 2025. Which of the following would have the greatest negative impact on

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Bloomberg TAX

Trump Administration Directs Federal Agencies to Fire DEI Staff

January 24, 2025

The Trump administration Friday ordered the heads of federal agencies to cut federal employees who worked on diversity, equity, inclusion, and accessibility programs.

IRS, Booz Allen Face Possible Class Action for Littlejohn Leaks

January 24, 2025

A Maryland company whose records were of the thousands accessed by a Booz Allen Hamilton Inc. contractor working for the IRS hopes to establish a class action against the IRS.

Supreme Court to Weigh Tax-Supported Religious School Case (1)

January 24, 2025

The US Supreme Court accepted a major new church-state showdown, agreeing to consider whether states with public charter schools are constitutionally required to approve and fund religious institutions as part of the taxpayer-supported program.

New York Prepares to Adopt Federal Partnership Audit Regime

January 24, 2025

New York is headed toward conformity with the federal centralized partnership audit regime under a proposal embedded in Gov. Kathy Hochul’s (D) fiscal year 2026 budget.

Ad Tax Comports With Speech Protections, Maryland Tells Judges

January 24, 2025

The “pass-through provision” of Maryland’s digital advertising tax falls outside the First Amendment's protections because it only regulates speech that is integral to conduct prohibited by the act, the state told the Fourth Circuit Friday.

Convicted Tax Preparer Stumbles in Evidence Admittance Challenge

January 24, 2025

The owner of a shuttered tax return preparation business failed to show that the admittance of his own fraudulent returns into evidence at his criminal trial was improper, the Third Circuit said Friday.

UK Cartoon Show Makers Blocked From Getting Investor Tax Relief

January 24, 2025

A UK court has rejected an appeal by makers of an animated children’s show seeking tax relief for sales of the production firm’s shares.

T-Mobile Wins Lower Missouri Property Tax Bill on Cell Towers

January 24, 2025

A T-Mobile unit convinced a Missouri tribunal on Friday to decrease the value of their two cell tower sites for tax purposes.

NY Senate Budget Chair Blasts $3 Billion in ’Absurd’ Tax Breaks

January 24, 2025

New York provides $3 billion in "questionable, arbitrary and downright absurd" tax breaks every year, state Sen. Andrew Gounardes, chair of the Committee on Budget and Revenue, said in a new report.

State of Tax: CarMax Fights Tax Bill, New York Budget Unveiled

January 24, 2025

The week in state tax news: Used auto dealership chain CarMax is asking a court to throw out a multimillion-dollar tax bill in South Carolina. Meanwhile, New York Gov. Kathy Hochul's proposed budget includes tax cuts that will have to be negotiated with a cautious legislature, and neighboring Connecticut Gov. Ned Lamont is dangling tax cuts for AI startups.

Featured Resources

COST - Council on State Taxation

Amicus Briefs

Amazon Services LLC v. Department of Revenue

On November 19 COST filed a motion for leave to file an amicus brief at the South Carolina Supreme Court in support of Amazon Services LLC. Amazon Services LLC v. Department of Revenue. The Court of Appeals held that the Amazon. Services was in the business of selling tangible personal property and thus responsible for collecting and remitting sales tax on third-party sales made from the Amazon m

COST - Council on State Taxation

COST Studies, Articles & Reports

FY23 State And Local Business Tax Burden Study

The Council On State Taxation (COST) and the State Tax Research Institute (STRI) are pleased to announce the release of our 22nd annual study of state and local business taxes. The report, “Total State and Local Business Taxes: State-by-State Estimates for Fiscal Year 2023,” prepared by Ernst & Young LLP, shows all state and local business taxes paid in each of the 50 states and the District of Co

COST - Council on State Taxation

COST Comments & Testimony

Comments In Opposition to the MRS Proposed Amendments to Rule 801 and Hearing Request

COST submitted comments to the Maine Revenue Services in opposition to proposed amendments to Rule 801 (Apportionment) specifically that some of the language of the proposed amendments represents an expansion of Maine Revenue Services’ authority that is not supported by any statutory change and that any change in administrative policy that negatively impacts taxpayers should apply prospectively on