An elector shall be entered in the postal voters list if he is—

(a) a member of the Garda Síochána who not later than the last day for making claims for registration applies to be so entered, or
(b) a whole time member of the Defence Forces (as defined in paragraph (b) of subsection (4) of section 11), or
(c) a person who is deemed by virtue of section 12 to be ordinarily resident in premises in the State on the qualifying date, or
(d) a person who is ordinarily resident at his residence, applies to be so entered and satisfies the registration authority that –

(i) such person is unable to go in person to vote at the polling place for his polling district by reason of his physical illness or physical disability, and
(ii) the physical illness or physical disability is likely to continue for the period of continuance in force of the register of electors in respect of which the application to be entered as a postal voter is made.