(1) This article applies to a person who, before commencement -
(a) proposes to acquire an interest by taking a step which would, after commencement, place him under an obligation to notify the Authority under section 178(1); but
(b) has not taken the step in question.
(2) Where a person to whom this article applies has, before commencement, been served with a notice by the Regulator under a former approval power, that person is to be treated after commencement as if he had served a notice under section 178 and had received a notice of approval under section 184(1).
(3) Where a person to whom this article applies is, before commencement, treated as having been approved under a former approval power on the expiry of the period set under that power for objection to be made by the Regulator, that person is to be treated, after commencement, as if he had been approved under section 184(2).
(4) Section 184(3) applies to a person falling within paragraph (2) as if -
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