You wonder if a CAA Tenured Civil Servant might be so kind as to set forth in layman's language exactly what the regulations are re this discussion.
After all, it should be extremely straightforward in every regard as Air Regulations are set forth in basic terms not subject to ambiguity, confusion, or mis-interpetation are they?
Surely, Weather Minima are contained in a single document?
US FAR 91.155 discusses VFR Weather Minima
http://www.risingup.com/fars/info/part91-155-FAR.shtml