“… [I]f the exercise of reasonable foresight and of due diligence and a proper regard for the fact that the tax would become due on a particular date would not have avoided the insufficiency of funds which led to the default, then the taxpayer may well have a reasonable excuse for non-payment, but that excuse will be exhausted by the date on which such foresight, diligence and regard would have overcome the insufficiency of funds.”
“I think that ‘foreseeability’ or as I would say ‘reasonable foreseeability’ is only relevant in the context of whether the cash flow problem was ‘inescapable’ or, as I would say, ‘reasonably avoidable’. It is more difficult to escape from the unforeseeable than from the foreseeable.”