law: Official Trustees Act, 1913 
  11. Power of private trustees to appoint Official Trustee
  
  to be trustee of property 
  (1) If any property is subject to a trust other than a trust
  
  which the Official Trustee is prohibited from accepting under the provisions of
  
  this Act, and all the trustees or the surviving or continuing trustee or trustees
  
  and all persons beneficially interested in the trust are desirous that the
  
  Official Trustee shall be appointed in the room of such trustee or trustees, it
  
  shall be lawful for such trustee or trustees, by an instrument in writing to
  
  appoint the Official Trustee by that name or any other sufficient description
  
  with his consent to be the trustee of such property:
  PROVIDED  that the consent of the Official Trustee shall
  
  be recited in the said instrument and that such instrument shall be duly
  
  executed by him.
  (2) Upon such appointment such property shall vest in the
  
  Official Trustee and shall be held by him upon the same trusts as the same was
  
  held previously to such appointment, and the previous trustee or trustees shall
  
  be exempt from all liability as trustees of such property save in respect of
  
  acts done before the date of such appointment.