Microsoft discloses IRS says the tech giant owes nearly $29 billion in unpaid taxes

The back tax request to Microsoft involves tax years 2004 to 2013

Microsoft just disclosed the Internal Revenue Service (IRS) has asked for a hefty sum of taxes that it believes the tech company has not paid. 

The funds, sought through notices of proposed adjustments, totalled $28.9 billion not including penalties and interest, according to a Securities and Exchange Commission (SEC) filing submitted Wednesday by Microsoft. The IRS apparently believes the company owes that amount for tax years 2004 to 2013.

Microsoft said the IRS sent the notices late last month. 

A logo marking the edge of the Microsoft corporate campus

A logo marking the edge of the Microsoft corporate campus in Redmond, United States.  ((Photo by Toby Scott/SOPA Images/LightRocket via Getty Images) / Getty Images)

"We disagree with the proposed adjustments and will vigorously contest the NOPAs through the IRS’s administrative appeals office and, if necessary, judicial proceedings," the tech company said.

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Microsoft, while disclosing the situation to the SEC, attached a blog post to its filing. 

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In it, the company explained the "main disagreement" as being over how it "allocated profits during this time period among countries and jurisdictions." Microsoft "acted in accordance with IRS rules and regulations," it argued. 

Microsoft also said that the IRS did not take up to $10 billion worth of tax payments made under the Tax Cuts and Jobs Act into account. That legislation became law in late December 2017.

IRS building

The Internal Revenue Service (IRS) building in Washington, D.C., on January 24, 2023.  (STEFANI REYNOLDS/AFP via Getty Images / Getty Images)

The company has paid over $67 billion worth of taxes to the U.S. government in the years since 2004, it said in the SEC filing. 

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For income tax contingencies, Microsoft reported having "adequate" allowances. It also told investors that it did "not anticipate a significant increase or decrease to our tax contingencies for these issues within the next 12 months," according to the filing. 

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The situation will likely not see resolution any time in the near future. The company estimated that appealing through the IRS could last "several" years.

Microsoft logo

A smartphone is seen in front of the Microsoft logo. REUTERS/Dado Ruvic/Illustration/File Photo (REUTERS/Dado Ruvic/Illustration/File Photo / Reuters Photos)

The disclosure of the IRS notices comes just under two weeks before Microsoft plans to announce its financial results for fiscal 2024's first quarter.

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Over the course of its 2023 fiscal year, Microsoft produced $211.9 billion in revenue, up roughly 6.9% compared to the $198.3 billion it generated in the prior year. Its annual net income, meanwhile, experienced a 0.5% decline, hitting $72.36 billion.