sentences:  Despite the government's assurances, opposition parties and some media commentators in New Zealand say that the largest banks are too big to fail and have an implicit government guarantee.George Osborne, Chancellor of the Exchequer under David Cameron (2010–2016), threatened to break up banks which are too big to fail.The too-big-to-fail idea has led to legislators and governments facing the challenge of limiting the scope of these hugely important organisations, and regulating activities perceived as risky or speculative—to achieve this regulation in the UK, banks are advised to follow the UK's Independent Commission on Banking Report.