Clearly, there’s nothing like the publication of a blacklist – or grey list – to get people’s attention. After the best part of a decade, the efforts of the Organization for Economic Co-operation and Development to push offshore centres and some of its own members into line on transparency and exchange of information on tax issues have suddenly come to fruition, as international financial centres that resisted the OECD’s campaign or paid only lip service to it scramble to conclude enough tax agreements to get onto the ‘white list’ of compliant jurisdictions. The biggest obstacles to the OECD’s original campaign