law: Code of Civil Procedure, 1908
  
  14.Presumption as to foreign judgments.-
  The
  
  Court shall presume, upon the production of any document purporting to be a
  
  certified copy of a foreign judgment' that such judgment was pronounced by a
  
  Court of competent jurisdiction, unless the contrary appears on the record; but
  
  such presumption may be displaced by proving want of jurisdiction.