140. Where an Assembly constituency is not coterminous with, or wholly situated in, a county or county borough—
(a)the registration officer for any part of the Assembly constituency shall, if he is not the returning officer for the constituency, consult him concerning the form of so much of—
(i)the register;
(ii)the electors lists; or
(iii)the postal voters list, the list of proxies and the proxy postal voters list,
as relate to the constituency in order to ensure that, so far as practicable, they are in a form similar to those in use elsewhere in the constituency, and
(b)if the registration officer for any part of the Assembly constituency at an Assembly election is not the returning officer for the constituency, he shall forthwith supply to the constituency returning officer a copy of the lists compiled under article 10 and 12(8) on completion of the compilation of them.