I will have to find more information about this!

“I am pleased that the Treasury has announced new rules to block profitable American companies from gaming the system to dodge U.S. taxes. While the full impact is still uncertain, the rules appear to eliminate the $35 billion in tax breaks that the pharmaceutical giant Pfizer would have received from its planned offshore merger.
“The Treasury’s new rules have put profitable corporations on notice that their greed will not be allowed to continue. Now, Congress must take the next step and pass comprehensive legislation to close these corporate tax loopholes once and for all, so that we can create the millions of jobs this country needs.”
Sanders Applauds New Rules to Curb Corporate Tax Dodges - Senator Bernie Sanders of Vermont