It shall be lawful for the Privy Council, upon any such Representation as aforesaid, if it see fit, to order that any Qualification granted by such College or Body, after such Time as may be mentioned in the Order, shall not confer any Right to be registered under this Act : Provided always, that it shall be lawful for Her Majesty, with the Advice of Her Privy Council, when it is made to appear to Her, upon further Representation from the General Council or otherwise, that such College or Body has made effectual Provision, to the Satisfaction of such General Council, for the Improvement of such Course of Study or Examinations, or the Mode of conducting such Examinations, to revoke any such Order.