Thousands of British investors with up to £3bn stashed in secret Liechtenstein bank accounts will be asked to come forward voluntarily under a deal to be negotiated next week that could be the first of many worldwide.
Lawyers said the Liechtenstein plan, discussed behind closed doors with the Paris-based Organisation for Economic Co-operation and Development, could serve as an international model for other tax havens seeking to avoid an OECD blacklist.



