(1) Where one or more seats become vacant in a constituency
either because of the death, resignation of the substantive or alternate member,
or for any other reason, by-elections shall be held within a period of 12 (twelve)
months following the occurrence of the vacancy.
(2) By-elections shall be held in the electoral constituency in the
manner specified in Sections 153 and 154 above.
(3) Where a seat becomes definitively vacant in an electoral
constituency with many seats, there shall be a single ballot.
(4) Only political parties that took part in the general elections in the
constituency shall be allowed to take part in the by-elections.
(5) No by-election shall be held if the vacancy occurs less than a
year before the end of the legislative period.
Official text
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In force from 8 September 2026
Source page 46