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@gbb, one of the issues is the attempts of 'any firm' to negate/minimise any corporate responsibility for almost anything by getting staff to 'sign' for their training. The 'training' may be of varying degrees of quality, the 'training' may be delivered in 2013 for requirement 'X' say.
Requirement 'X' is something, for example, which may be incredibly important/risky - but the rub is that activity 'X' may be quite intricate and only needs doing once every 4 years, and that may be unexpected/at random.
When requirement 'X' therefore goes belly up, one may be assured that the first thing 'any firm' does will be to frantically search through the records to find the piece of paper which aleiviates them of any responsibility because the 'training' was delivered and signed for.