4.—(1) Subject to paragraph (3), in a scheme year an electricity supplier is authorised to supply the Secretary of State with the information mentioned in paragraph (4) for the purpose of enabling the Secretary of State to determine what information is to be supplied to the supplier by virtue of regulation 5(1) in that scheme year.
(2) Subject to paragraph (3), in a scheme year an electricity supplier is also authorised to supply the Secretary of State with the information mentioned in paragraph (4) for the purpose of enabling the Secretary of State to compare, and test arrangements for comparing, that information with information about persons in receipt of state pension credit held by the Secretary of State so as to enable the Secretary of State to determine what information is to be supplied to the supplier by virtue of regulation 5(1) in that or any subsequent scheme year.
(3) An electricity supplier is only authorised to supply information in a scheme year by virtue of paragraph (1) or (2) where—
(a)the supplier is required to provide information to the Secretary of State under an information direction given to the supplier in that scheme year;
(b)the direction requires the information to be provided for a purpose mentioned in one of those paragraphs;
(c)the information required to be provided—
(i)is specified in the direction, and
(ii)is information about the supplier’s domestic customers on the date specified in the direction (“the relevant date”); and
(d)where the direction requires the information to be supplied in a particular form, the information is supplied in that form.
(4) The information referred to in paragraphs (1) and (2) is—
(a)the names and addresses of persons who are domestic customers of the supplier on the relevant date and the meter point administration numbers associated with those domestic customers’ electricity accounts;
(b)the names and addresses of any persons appointed to administer the electricity accounts of persons who are domestic customers of the supplier on the relevant date.