…Always…
(iv) Even if an investigation appears  to be going to a microscopic level.   It is the case that in the final outcome  if taxes are owed and cannot be paid,  we have moved away from the days of  the debtors gaol and into more civilised  times.  And so, one cannot give, what one does  not have.  Resolution, and not angst, is the aim of  the matter and thence evasion is  counterproductive.
7. Investigation
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