Sections 27 and 29 of the Act shall apply in relation to references and notices with the following modifications:

(a) in section 27, for subsections (5) and (6) there shall be substituted the following subsections:

"(5) The decision-making authority may, for the purposes of a reference, treat successive events to which this subsection applies as if they will occur simultaneously on the date on which the latest of the events will occur.

(6) Subsection (5) applies to successive events -

(a) which consist of -

(i) one or more than one event which has occurred within the period of two years before the date of the reference; and

(ii) one or more than one event which will occur;

(b) which are events which have occurred or will occur under or in consequence of the same arrangements or transactions, or successive arrangements or transactions between the same parties or interests; and

(c) by virtue of each of which, under or in consequence of the arrangements or the transaction or transactions concerned, any enterprises cease as between themselves to be distinct enterprises."; and