New tax plans aimed at making global firms pay more tax have been published by an international economic body.
The proposals would give governments more power to tax big technology firms such as Apple, Facebook and Google.
The Organisation for Economic and Development (OECD) proposals would mean big companies paying more tax where they sell products and make profits.
Multinational companies could be liable for tax in places where they have no physical presence.
Companies that do business in more than one country have long been a challenge for tax authorities.
There is a very obvious incentive to structure their business in a way that minimises their tax bills.
Typically that involves allocating profits to subsidiaries in countries – including so-called tax havens – where corporate tax rates are