All persons who, on the date of the publication of the writ to which a referendum refers, are entitled to vote for the election of members of the House shall be entitled to vote in that referendum:

Provided that, where, in a referendum under this Act, the House has resolved that the question is to be put only to voters in any one or more electoral divisions, the persons entitled to vote in a referendum held on that question shall be those persons only who are entitled to vote in that division or in those divisions, as the case may require.