Upcoming National Meeting

2024 SALT Workshop for Technology Companies

This Workshop will cover the key state and local tax issues that technology companies (both start-up and established) are facing such as state taxation of Digital Business Inputs, FITFA, sourcing, apportionment, streaming, marketplace facilitators, digital service taxes and much more. Leading state tax experts will share technical expertise and knowledge they have gained from practicing in these

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Newsletters & Media

Cost Conscious

ISSUE 24-10; May 17, 2024

Should “Use Tax” Be Apportioned? – Earlier this month, a Petition for Writ of Certiorari was filed with the U.S. Supreme Court in Ellingson Drainage v. South Dakota. The South Dakota Supreme Court affirmed a use tax assessment on construction equipment brought into the state from Minnesota, which exempts the equipment. Some of the equipment was used in South Dakota for only one day. Similar issues


Bloomberg TAX

HILL TAX BRIEF: IRS, DOJ Pressed to Probe Big Tax-Prep Firms

May 23, 2024

Senate Finance Committee Chair Ron Wyden (D-Ore.) and Sen. Elizabeth Warren (D-Mass.) are pushing the IRS and other federal agencies to probe whether Intuit and other big tax prep firms illegally disclosed protected taxpayer information.

Italy Updates Its Global Minimum Tax Law With Safe Harbor Rules

May 23, 2024

Italy has amended its global minimum tax law to include temporary key safe harbor provisions to simplify the application of the tax rules.

Billionaire Tax Rejected by US Causes Split Ahead of G-7 Meeting

May 23, 2024

Group of Seven countries are at odds over how to tax the world’s richest individuals as finance officials prepare for a meeting in Stresa, Italy. 

New York City’s Tourists Fuel Record $4.9 Billion in Tax Revenue

May 23, 2024

New York City’s tax revenue generated by tourists has surpassed pre-pandemic levels as a jump in US visitors helped offset a drop in international and business travel.

OECD Must Not Allow Pillar One to Erode the Arm’s-Length Standard

May 23, 2024

DLA Piper's Mike Patton analyzes Amount B of the global tax treaty, saying the OECD must allow administrative exemptions to preserve tax fairness.

GILTI Doesn’t Fit in the Global Tax Plan. Two Moves Can Fix That

May 23, 2024

Plante Moran's Jessica Wargo explains Pillar Two compliance challenges in US, noting that changing rules for GILTI and CAMT would help multinationals.

Willis Says NZ Tax Cuts Will Be Modest, Won’t Require Borrowing

May 22, 2024

New Zealand Finance Minister Nicola Willis delivers pre-budget speech Thursday in Auckland.

Yellen to Discuss Priorities for G7 Meetings in Italy Thursday

May 22, 2024

US Secretary of the Treasury Janet Yellen will be in Stresa, Italy for the G7 Finance Ministers and Central Bank Governors meeting on Thursday, according to a statement from her office. 

Remote Work, Aging Tech Targeted by Canada Cybersecurity Plan(2)

May 22, 2024

Canada released its first-ever cybersecurity strategy for federal government departments and agencies on Wednesday, with the aim of addressing challenges posed by remote work, cloud computing, aging infrastructure and recruitment.

California Advances Bill Targeting Retailer Tax-Sharing Deals

May 22, 2024

A bill requiring California cities to disclose how much sales tax revenue they give to retailers in exchange for the companies assigning online sales to their locations to boost revenue passed the Assembly on Wednesday.

Featured Resources

COST - Council on State Taxation

Amicus Briefs

Amazon Services, LLC v. South Carolina Department of Revenue

In this case, the Court of Appeals affirmed the Administrative Law Court’s conclusion that the South Carolina Department of Revenue was authorized to shift the sales tax collection obligation for third-party sales from third-party sellers to Amazon Services, LLC. This decision is contrary to the canons of statutory construction and ignores the actions of the South Carolina Legislature. South Carol

COST - Council on State Taxation

COST Studies, Articles & Reports

Is E-Invoicing Relevant In The US State Sales Tax Context?

This study, prepared by EY Quantitative Economics and Statistics Group (QUEST), explores the rise of e-invoicing in tax administration in dozens of value-added tax (VAT) systems around the world and analyzes e-invoicing from a U.S. state tax policy perspective. The study highlights key differences between VAT and U.S. state sales tax systems that make e-invoicing less relevant in the United States

COST - Council on State Taxation

COST Comments & Testimony

Comments to the Texas Comptroller re. Proposed Rule 3.330 – Taxation of Data Processing Services

On May 20, COST submitted the attached comments on Texas Draft Rule 3.330, which would expand the taxation of data processing services. We suggested that such a policy change would be better addressed by the legislature and not be retroactive.