10.—(1) There must be a register of energy performance certificates and there may be more than one.
(2) Each register referred to in paragraph (1) shall be maintained by a keeper.
(3) A register may be maintained for different purposes or for different classes of buildings.
(4) Where a member of an approved organisation issues an energy performance certificate, that person must ensure that it, and the associated data, is sent to the relevant register before that person gives it to the person who requested it.
(5) Any energy performance certificate or associated data entered onto a register–
(a)must be registered under a unique reference; and
(b)must not be altered once registered.
(6) Any energy performance certificate or associated data entered onto a register must be kept on the register for a period of at least 10 years beginning on the date on which it is entered onto the register.