"1 Extension of parliamentary franchise
(1) A person is entitled to vote as an elector at a parliamentary election in aconstituency if—
(a) on the declaration date, the person—
(i) qualifies as an overseas elector in respect of that constituency(see section 1A),
(ii) is not subject to any legal incapacity to vote (age apart), and
(iii) is a British citizen, and
(b) on the date of the poll, the person—
(i) is not subject to any legal incapacity to vote,
(ii) is a British citizen, and
(iii) is registered in a register of parliamentary electors for thatconstituency.
(2) In this section, “the declaration date” means—
(a) the date on which the person makes a declaration under and inaccordance with section 1C (overseas elector’s declaration), or
(b) where the person makes a declaration under and in accordancewith section 1E (renewal declaration), the date on which the personmakes the declaration.