(1) An elector who is unable to vote may be assisted in voting if the elector would otherwise be unable to vote.
(2) An assistant shall be—
(a) if the elector is a postal voter or a voter casting an electronic vote under section 136H or section 136I—a nominee of the elector; or
(b) in any other case—a nominee of the elector or, if there is no such nominee, an officer.
(3) An assistant may enter a voting compartment for the purpose of assisting an elector to vote, but an officer shall not do so except in the presence of—
(a) a scrutineer; or
(b) if no scrutineer is present—another officer.
(4) Subject to subsection (3), an assistant may assist an elector in any of the following ways:
(a) by acting as an interpreter;
(b) for a declaration vote—by completing, or assisting the elector to complete, the declaration;
(c) by explaining the ballot paper and the requirements of this Act relating to its marking;
(d) by marking, or assisting the elector to mark, the ballot paper at the elector's direction;
(e) for a paper ballot paper—by folding the ballot paper and depositing it in a ballot box or declaration envelope, or with an officer, as required by this Act.