Section 16: Where, in pursuance of any arrangement with a foreign

State, any person accused or convicted of any crime which, if committed in the Protectorate, would be (by whatever name designated by the law of the Protectorate) one of the crimes described in the first schedule to this Ordinance, is surrendered by that foreign State, such person shall not, until he has been restored or had an opportunity of returning to such foreign State, be triable or tried for any offence committed prior to the surrender in any part of Her Majesty's Dominions or Protectorates other than such of the said crimes as may be proved by the facts on which the surrender is grounded.