On ceasing to be a minister in 1997 we reverted to the normal rule of claiming additional costs in London.

BBC: Statement in full: David Maclean

"The HTA recognises there are situations were it may be possible to vary the normal rule of meeting clinical urgent need, " he added.

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The normal rule of thumb was that a canal (subject of another boom earlier in the 19th century) would halve the cost of transporting coal, and that rail would halve it again.

ECONOMIST: Booms and busts

The empire was the normal unit of rule.

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Such cases traditionally have been dismissed under the so-called business judgment rule, which prevents judicial second-guessing of normal business decisions.

FORBES: Companies, People, Ideas

To date, only a few of America's largest companies have adopted the policy of treating stock options as a normal business expense, despite the fact that for many, the rule would have a minimal effect on their bottom lines.

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