In message <[email protected]>, dated Sat, 21 
Apr 2007, Brian Jones <[email protected]> writes:

>A crucial reason that ENs are required for basic standards is related 
>to dates of withdrawal.
>
>Where a basic standard is referenced as an undated reference from a 
>product family or generic standard, a new edition of the basic standard 
>would become effective immediately, were it not for the transition 
>period in the EN basic standard.  IEC standards do not have transition 
>periods.

Indeed, although the same effect could be achieved by other means.
-- 
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
There are benefits from being irrational - just ask the square root of 2.
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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