Upcoming National Meeting

2021 State Income Tax Webinar

The goal of this program is to bring multistate tax professionals, with various levels of experience in state and local income/franchise taxes, together for a group live webinar that provides updates on key SALT income and franchise tax issues and insights regarding state tax trends and opportunities. The program is targeted to all levels of experience and no advance preparation is needed.

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Newsletters & Media

Legislative Alert

ISSUE 21-17; April 13, 2021

COST Opposes “Back-Door” Approach to Mandatory Worldwide Combined Reporting in Minnesota; Virginia Unitary Business Informational Report Due July 1 on Pain of $10,000 Penalty!

Cost Conscious

ISSUE 21-07; April 9, 2021

Corporate Tax Impact of the American Jobs Plan – On March 31, President Biden (D) presented the American Jobs Plan—a more than $2 trillion infrastructure spending plan. Although still in flux, the current proposal raises revenue through a tax reform plan that would significantly increase corporate income taxes (forthcoming tax increases to high-income individuals are also anticipated). Which of th


Bloomberg TAX

Kansas Governor Vetoes Marketplace Facilitator Bill Citing Costs


Kansas Gov. Laura Kelly (D) vetoed a bill that would have required Amazon and other marketplace facilitators to collect and remit the state's 6.5% tax on sales by third-party vendors using their platforms.

Monsanto Chemical Purchases Eligible for Louisiana Tax Refund


Monsanto is entitled to a refund of Louisiana taxes it paid on purchases of a pollution-control chemical, because the state environmental agency incorrectly concluded the refund is only for pollution-control equipment, the Board of Tax Appeals found.

Blunt Says $600B to $700B Infrastructure Plan May Be Acceptable


A $600 billion to $700 billion infrastructure proposal could be acceptable to Republicans, Senator Roy Blunt says at a Washington Post event.

Comcast, Verizon Sue Maryland Over New Digital Advertising Tax


Maryland's new tax on digital advertising violates the Internet Tax Freedom Act and the due process clause and should be tossed out as unconstitutional, according to a lawsuit from Verizon Media Inc. and Comcast Cable Communications.

Musk’s Boring Co. Finds Paradise in Town With ‘Plenty of Dirt’


One night two Januaries ago, Jessie Flores made a series of frantic calls and texts to his deputies, with a request: Could they clear their schedules to get to Elon Musk’s offices in Los Angeles for a meeting?

Pandemic-Challenged IRS in Line for Big Funding Boost (Podcast)


It has been a challenging year for the IRS, which is dealing with yet another prolonged tax-filing season while also distributing pandemic relief payments to hundreds of millions of people.

Tax Strings on Stimulus Funds Fuel Fight Over State Sovereignty


A state and local tax cut prohibition Congress included in the latest $1.9 trillion pandemic relief law has the Treasury Department in legal and political crosshairs over how states can—and cannot—use federal funding.

Washington Lawmakers Send Low-Income Tax Credit to Governor


Low-income Washington residents would receive a tax credit of $300 to $1,200 a year under a bill lawmakers sent to Gov. Jay Inslee on Thursday.

New York State Tax Revenue Exceeds Latest Estimate by $3 Billion


New York State collected $3 billion more tax revenue in the last fiscal year than projected by Governor Andrew Cuomo two months ago, boosted by strong personal income tax receipts, state Comptroller Thomas DiNapoli said.

Penguin Random House Tax Refund Rejected by Maryland Court


Penguin Random House LLC doesn’t deserve a refund for a water and sewer tax bill it paid when it built an addition to a warehouse, a Maryland appeals court ruled.

Featured Resources

COST - Council on State Taxation

Amicus Briefs

Jobs & Housing Coalition v. City of Oakland

COST filed an amicus brief in support of the Jobs & Housing Coalition on the California super-majority vote issue. COST supported the Jobs & Housing Coalition’s argument that the California Constitution has long required local special taxes to be passed by a two-thirds majority vote of the electorate, pursuant to Proposition 13 and Proposition 218 of the California Constitution.

COST - Council on State Taxation

COST Studies, Articles & Reports

Five Tax Administration Issues State Lawmakers Should Address in 2021 (State Tax Notes, January 11, 2021, p.145)

This article by Fred Nicely and Aziza Farooki for Tax Notes State details COST’s five proactive legislative initiatives to simplify both compliance and administration as states seek to revitalize their economies due to the COVID-19 pandemic.

COST - Council on State Taxation

COST Comments & Testimony

Testimony in Opposition to LD 428, HP 308 – Tax Haven Blacklist

COST opposes Maine legislation which would include entities formed or incorporated in certain listed countries perceived as tax havens, within the unitary business group subject to Maine corporate income tax, regardless of where the entity’s business activities are conducted.