the constituency by the President to serve in Parliament. A group of individuals standing together in a GRC is voted for as a team, and not as individual candidates. In other words, a successful voter's single vote in an SMC sends to Parliament one MP, and a GRC sends a group of MPs from the same single list depending on how many have been designated for that GRC. All elected MPs are selected on a simple plurality voting ("winner takes all") basis. A by-election need not be held to fill a vacancy in any GRC triggered by the death or resignation of an MP, even if there are no other minority candidates in that GRC, or any other reason. A by-election is required only if all the MPs in a GRC vacate their Parliamentary seats. Assuming that such a situation does arise, the Prime Minister would be obliged to call a by-election within a reasonable time, unless he intends to call a general election in the near future. Modifications In 1988, 39 SMCs were grouped into 13 three-member GRCs, making up 39 out of a total of 81 elected seats in Parliament. The Constitution and the Parliamentary Elections Act were changed in 1991 and again in 1996 to increase the maximum number of MPs in each GRC from three to four, and then to six. In the 2001 general election, three- and four-member GRCs were replaced by five- and six-member GRCs. There were nine five-member GRCs and five six-member GRCs, making up 75 out of the 84 elected seats in Parliament. This arrangement remained unchanged at the 2006 elections. On 27 May 2009, the Government announced that it would refine the size and number of GRCs. This could be achieved without amending either the Constitution or the Parliamentary Elections Act. Instead, when the next EBRC was appointed, its terms of reference would instruct the Committee to plan for fewer six-member GRCs than at present, and to reduce the average size of each GRC. The average size of GRCs at that time was 5.4 MPs because there were only five-member and six-member GRCs. The new average, however, would not exceed five MPs. In addition, to ensure that the number of SMCs kept pace with the increase in voters and hence the number of MPs, the EBRC's terms of reference would state that there should be at least 12 SMCs. The rationale