Microsoft Challenges US Tax Authority’s $28.9 Billion Back Tax Demand

Microsoft Challenges US Tax Authority’s $28.9 Billion Back Tax Demand Microsoft has announced its intention to challenge a request from the US tax authority for an additional $28.9 billion (£23.5 billion) in back taxes for the period spanning 2004 to 2013, Excel Magazine International has gathered. Recall the Internal Revenue Service (IRS) has conducted an…