Such a sweet deal. Loan yourself $42 Billion from your business in  another country, and then write off the debt against your taxes because you have to pay yourself back. It makes some of those operations mentioned in the Panama Papers look pissy-arsed.

http://www.abc.net.au/news/2016-06-09/chevron's-$7b-loan-aims-to-shift-income-of...

Cods, unfortunately "the book" says its OK. You will have noticed that the Panama Papers story has gone cold. Why? Because too many people are making too much money. Panamanian authorities raided the named offices. That was simply to defend themselves from public criticism. They wrote their corporate laws, just as we wrote ours.