Express Scripts is suing the U.S. government, according to a lawsuit filed this week. The pharmacy benefit manager, owned by health insurer Cigna, is demanding $43 million in tax refunds from 2010 and 2011, alleging the IRS wrongfully denied the company's use of a now-repealed income tax deduction.
Trending:
Cigna sues U.S. to obtain decade-old tax refunds