text: Provided that his or her seat shall become vacant- 
  
  (i) 
  
  in the case of a person who, at the date of his or her appointment, was the 
  Vice-President or a Minister, if he or she ceases to be the Vice-President or a 
  Minister; or 
  if the President, by instrument in writing under his or her hand, so directs.  (ii) 
  
  (3) The Committee shall not be summoned except by the authority of the 
  
  President who shall, as far as is practicable, attend and preside at all meetings of the 
  Committee, and, in the absence of the President, the member of the Committee 
  appointed under subsection (1)(a) of this section shall preside. 
  
  (4) The Committee may act notwithstanding any vacancy in its membership and 
  
  its proceedings shall not be invalidated by the presence or participation of any person 
  not entitled to be present at or to participate in those proceedings. 
  
  (5) Subject to the provisions of this section, the Committee may regulate its own 
  
  procedure. 
  **55. Functions of Advisory Committee on Prerogative of Mercy**
  
  (1) Where any person has been sentenced to death for any offence, the 
  President shall cause a written report of the case from the trial judge, together with such 
  other information derived from the record of the case or elsewhere as he or she may 
  require, to be considered at a meeting of the Advisory Committee on the Prerogative of 
  Mercy; and after obtaining the advice of the Committee he or she shall decide whether to 
  exercise any of his or her powers under section 53 of this Constitution. 
  
  (2) The President may consult with the Committee before deciding whether to 
  
  exercise any of his or her powers under the said section 53 in any case not falling within 
  subsection (1) of this section. 
  **56. Constitution of offices**
  
  Subject to the provisions of this Constitution and of any Act of Parliament, the 
  powers of constituting and abolishing offices for Botswana shall vest in the President. 
  
  **CHAPTER V**
  **Parliament (ss 57-94)**
  **PART I**
  **Composition (ss 57-70)**