the Judicial Service Commission shall, as soon as practicable thereafter, appoint a Delimitation  Commission. (3) The Chairman of a Delimitation Commission shall be selected from among persons  who hold or have held high judicial office.  (4) No person shall be qualified to be appointed as Chairman or member of a Delimitation  Commission who-  (5) A person shall be deemed to be actively engaged in politics or to have been so  engaged during therelevant period if-  Provided that no person shal l be disqualified from holding the office of Chairman or  member of a Delimitation Commission by reason only of the fact that he or she has been the  Speaker of the National Assembly if he or she was elected to that office from amongst persons  who were not Members of the National Assembly.  (6) The office of Chairman or other member of the Delimitation Commission shall become  vacant if circumstances arise that, were he or she not Chairman or member of the Delimitation  Commission, would disqualify him or herfor appointment as such. (7) If, after the appointment of the Delimitation Commission and before the Commission  has submitted its report under section 65, the office of Chairman or any other member of the  Commission falls vacant or the holder of the offic e becomes unable for any reason to discharge  his or her functions as a member of the Commission, the Judicial Service Commission may,  subject to the provisions of subsections (3) to (5) of this section, appoint another person to be a  member of the Commission:  Provided that a member appointed under this section because of the inability of some  other member to discharge his or her functions shall cease to be a member of the Commission  when, in the opinion of the Judicial Service Commission, that other member  is able to resume his  or her functions as a member of the Commission.  (1) Whenever a Delimitation Commission has been appointed the Commission shall as  soon as practicable submit to the President a report which shall  state whether any alteration is  necessary to the boundaries of the constituencies in order to give effect to subsection (2) of this  section or in consequence of any alteration in the number of seats of Elected Members in the  National Assembly and where an y alteration is necessary shall include a list of the constituencies  delimited by the Commission and a description of the boundaries of those constituencies. (2) The boundaries of each constituency shall be such that the number of inhabitants  thereof is as nearly equal to the population quota as is reasonably practicable: Provided that the number of inhabitants of a constituency may be greater or less than the  population quota in order to take account of natural community of interest, means of  communication, geographical features, density of population, and the boundaries of Tribal  Territories and administrative districts. (3) In this section "population quota" means the number obtained by dividing the number  of inhabitants of Botswana (as ascertained by  reference to the latest comprehensive national  Copyright Government of Botswana 65.  Report of Commission  ( a )  is a Member of the National Assembly; ( b )  is or has been within the preceding five years actively engaged in politics; or ( c )  is a public officer.  ( a )  he or she is, or was at any time during that period, a Member of the National Assembly; ( b )  he or she is, or was at any time during that period, nominated as a candidate for election  to the National Assembly; or ( c )  he or she is,or was at any time during that period, the holder of an office in any political  organization that sponsors or supports, or has at any time sponsored or supported, a  candidate for election as a Member of the National Assembly: 25. Staff  26. Class-child ratio 