If:
(a) an individual is entitled to a clean energy advance under section 103 or 108 in relation to an FTB child; and
(b) the amount of the advance was not worked out by applying subsection 105(5); and
(c) the amount of the advance was not worked out under subsection 108(1A);
then, while the individual is a member of a couple, the other member of the couple is not entitled to a clean energy advance under section 103 or 108 in relation to that child.