Annexure B and the leaders of the participating parties, deems the appointment of such a Minister expedient. (2) � Each party holding at least 80 seats in the National Assembly is entitled to designate an Executive Deputy President from among the members of the Assembly. (3) � If no party or only one party holds 80 or more seats in the Assembly, the party holding the largest number of seats and the party holding the second largest number of seats are each entitled to designate one Executive Deputy President from among the members of the Assembly. (4) � On being designated, an Executive Deputy President may elect to remain or cease to be a member of the Assembly. (5) � An Executive Deputy President may exercise the powers and must perform the functions vested in the office of Executive Deputy President by the Constitution or assigned to that office by the President. (6) � An Executive Deputy President holds office— (a) � until 30 April 1999 unless replaced or recalled by the party entitled to make the designation in terms of subsections (2) and (3); or (b) until the person elected President after any election of the National Assembly held before 30 April 1999, assumes office. (7) � A vacancy in the office of an Executive Deputy President may be filled by the party which designated that Deputy President. (8) � A party holding at least 20 seats in the National Assembly and which has decided to participate in the government of national unity, is entitled to be allocated one or more of the Cabinet portfolios in respect of which Ministers referred to in subsection (1)(a) are to be appointed, in proportion to the number of seats held by it in the National Assembly relative to the number of seats held by the other participating parties. (9) � Cabinet portfolios must be allocated to the respective participating parties in accordance with the following formula: (a) A quota of seats per portfolio must be determined by dividing the total number of seats in the National Assembly held jointly by the participating parties by the number of portfolios in respect of which Ministers referred to in subsection (1)(a) are to be appointed, plus one. (b) The result, disregarding third and subsequent decimals, if any, is the 167