bond 007 - I think your query relates back to a earlier query you had where a judgment mortgage appeared on a property sold by X to a related party, Y, after the sale but before registration was completed.
I take it that the problem has not yet been resolved which perhaps, while not answering your question, does give you some insight into the complexity of conveyancing issues.
Do bear in mind also that while people can be technically in the right, where feelings run high as in where debts are left unpaid, their opposite number can be less than speedy to accept defeat and actively facilitate what they may perceive as unfair behaviour.
mf