The Court may presume,

That when a document creating an obligation is in the hands of the obligor, the obligation has been discharged

That an accomplice is unworthy of credit unless he is corroborated in material particulars

That judicial and official acts have been regularly performed and that a bill of exchange, accepted or endorsed was accepted or endorsed for good consideration and that judicial and official acts have been regularly performed and that the common course of business have been followed in particular cases and that evidence which could be and is not produced would, if produced, be unfavourable to the person who withholds it and that if a man refuses to answer a question which he is not compelled to answer by la