McDermott Will & Schulte, a global law firm

Catherine Battin, Richard Call, and Joanna Troy wrote this bylined article on the adoption by Massachusetts of a market-based sourcing rule. The state “now has relatively lengthy guidance on its market-based sourcing regime [which] contains multiple throwout provisions, an approximation provision and a compliance safe harbor,” the authors wrote, but they added that “it remains to be seen how many other states will adopt similar regulations.”

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