Again guys thank you for the feedback it is all very useful for us to sort out what the facts are here.
Can you look at your M42 PDT and let us know what the night disruption % is (just out of interest).
Just a comment for 76mm, the night disruption movement rule is a recent addition to PzC, it was introduced when F14 was launched a few years back and was added to the PzC series at the Gold makeover, I have been informed that many of the older PzC titles have this setting in the PDT at 0% (S41 for example) and so for those titles this rule would have no effect on night assault disruption whatsoever, IMO that is the reason why it has only come to light recently that this rule is not fully understood across the two series (PzC/FWWC) .