5. In this Act, unless the contrary intention appears, a reference to an interim Heritage Objects Register is to be taken to be a reference to—
(a) where there is no Heritage Objects Register—a proposed Heritage Objects Register; or
(b) where there is a Heritage Objects Register—an interim variation to that Register;
being a proposed Register, or an interim variation to a Register, notified in the Gazette under section 12, as revised under section 14.