Section 87, The Public Elections Act, 2012

(1) Where the votes cast at an election at a polling stationexceed the number of registered voters in that polling station, the result of the election for that polling station shall be declared null and void by the Electoral Commission and another election may be conducted at a date to be fixed by the Commission, where the result at that polling station may affect the overall result in the electoral area, in the case of parliamentary or local council elections. (2) Where the votes cast at a Presidential election at a polling station exceed the number of registered voters in that polling station, the result of the election for that polling station shall be declared null and void by the Electoral Commission and another election may be conducted at a date to be fixed by the Commission where the result at that polling station may affect the overall result in the election. (3) Where an election result is nullified in accordance with subsection (1) or (2), there shall be no return for the election until another poll has taken place in the affected electoral area. (4) Notwithstanding subsection (3), the Electoral Commission may, if satisfied that the result of the election will not be affected by voting in the area where the election result is nullified, direct that a return of the election be made.