(1) This section applies if:
(a) a * MEC group consists of the members of a * potential MEC group derived from one or more * eligible tier - 1 companies of a * top company; and
(b) one or more other companies become eligible tier - 1 companies of the top company at a time because of a choice under subsection 719 - 5(4).
(2) The * head company of the * MEC group must give the Commissioner a notice in the * approved form containing the following information:
(a) the identity of the head company;
(b) the time mentioned in paragraph (1)(b);
(c) the identity of each entity that became an * eligible tier - 1 company of the * top company in relation to the MEC group at that time because of the choice;
(d) the identity of each entity that became a * subsidiary member of the group at that time because of the choice;
(e) the identity of each entity that was a subsidiary member of the group at that time but was not such a subsidiary member when the notice is given.
(3) The notice must be given no later than:
(a) if the * head company is required to give the Commissioner its * income tax return for the income year during which that time occurs--the day on which the head company gives the Commissioner that income tax return; or
(b) otherwise--the last day in the period within which the head company would be required to give the Commissioner such a return if it were required to give the Commissioner such a return.