However, the 10% trigger threshold - tailoured for Mr Icahn - is unusually low.

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One is through the wider use of convertible bonds which automatically switch into equity, bolstering the bank's balance-sheet if, for instance, its capital ratio falls below a trigger threshold.

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In a statement to MPs on 23 April 2012 the chancellor insisted it was in Britain's national interest to provide the extra funding, which falls below the threshold which would trigger a Commons vote.

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An unemployment rate of 6.5 percent is a threshold, not a "trigger, " for a possible rate increase, he said.

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It became clear that there was often a threshold moment during which some kind of a challenge or trigger prevented the recovering person from accessing his or her cognitive resources.

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Justice Secretary Jack Straw told The World At One he thought that just 10% of voters being able to trigger a recall vote via a petition was "too low" a threshold.

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In addition, companies nearing the 50-employee threshold may think twice before hiring additional employees, because that will trigger requirements to offer affordable coverage under the law, Hamilton has said.

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