Cameron criticized complex offshore structures in 2013 , saying that it is " not fair and not right what some companies are doing by saying ' I 've got lots of sales here in the UK but I 'm going to pay a sort of royalty fee to another company that I own in another country that has some special tax dispensation . ' " He said he would bring up the issue at the G8 summit that year . At the summit , Cameron demanded more transparency , arguing that it would be better for business . In 2014 , Cameron asked all Overseas Territories and Crown dependencies to set up an open register of firms and individuals with investments registered in their jurisdictions , but by the time of the Panama Papers leak in April 2016 , only Montserrat and Gibraltar had agreed to do so
the G8 summit that year
39th G8 summit
Panama Papers