Most schools will have just one or two days' notice of an inspection visit.

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Questions have been raised over the Bank of Italy's supervision after an internal document obtained by Milena Gabanelli, an investigative reporter, showed an inspection visit to Monte dei Paschi in mid-2010 revealed the existence of two derivatives contracts, highlighting the risks.

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He cites the 1991 visit of an American inspection team to the Pechora radar in the Arctic Circle, when inspectors learned that the radar was passing along target-tracking information to a central command.

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Inspectors made the unannounced visit on 25 and 26 April, following up on an inspection in November 2010.

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Inadequate schools will have a monitoring visit within six to eight months of the most recent full inspection and an inspection after a year.

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