Representatives of more than 80 countries and jurisdictions met in Kyoto on Thursday for a two-day conference aimed at going after corporate tax avoidance in the first-ever effort of its kind to include developed and developing countries.

The meeting of the Organization for Economic Cooperation and Development's Committee on Fiscal Affairs takes place at a time of increasing calls to crack down on the use of offshore havens for corporate tax avoidance.

The OECD estimates annual revenue losses of $100 billion to $240 billion due to these activities, known as "base erosion and profit shifting" or BEPS.