18Conduct of election or poll in conjunction with other election or poll

1. If section 17 applies, and the election of 1 or more members of a local authority that is not a territorial authority or a poll of the electors of that authority is to be conducted in conjunction with the election of 1 or more territorial authorities in the same local government area, for the purposes of the election of members of the local authority that is not a territorial authority or the poll of electors of that authority,—

2. the electoral roll for the election or poll comprises the relevant part or parts of the electoral roll or rolls compiled by the electoral officer or officers of the territorial authority or authorities that are wholly or partly within the local government area of the local authority that is not a territorial authority and the relevant details of any other person qualified to vote at the election or poll; and
3. it is not necessary for the electoral officer of the local authority that is not a territorial authority to compile and certify that electoral roll; and
4. the electoral officer or officers of the territorial authority or authorities that are wholly or partly within the local government area of the local authority that is not a territorial authority are responsible for—
   1. issuing and receiving ordinary and special votes and other official documents; and
   2. carrying out any power or duty delegated to that officer or officers under section 12(2)(a); or
   3. carrying out any power or duty that the officer or officers have been appointed or engaged to carry out under section 12(2)(b); and
5. if any electors at the election or poll are in a local government area that is not within the district of a territorial authority, the duties referred to in paragraph (c) must, in respect of those electors, be carried out by one of the electoral officers referred to in that paragraph appointed by the local authority for whom the election is held or poll is taken.