—(1) Whenever any electoral division of Singapore is altered or a new division is created, the Registration Officer shall —
subdivide that division into polling districts;
assign to each such polling district a distinguishing letter or letters; and
publish in the Gazette a notice in Form 2 in the First Schedule specifying —
the polling districts into which that electoral division has been subdivided; and
the distinguishing letter or letters assigned to each such polling district.
(2) The subdivision of an electoral division into polling districts may be altered by the Registration Officer as occasion may require; and upon any such alteration being made he shall publish in the Gazette a notice specifying in relation to that electoral division the particulars mentioned in subsection (1)(c).
(3) Any alteration under subsection (1) shall come into effect on the date of the publication of the notice under section 20(1) relating to the next certification of the register of electors for that electoral division, but the revision of the register before such certification shall be made on the basis of that alteration.