(1) If:
(a) either of the following apply:
(i) a parent has made an election relating to a year of income under subsection 60(1) to which subsection 60(3) applies;
(ii) a parent has made an election in relation to a year of income under this subsection; and
(b) the parent becomes satisfied that the following amount (the year to date income amount ) is incorrect:
(i) if subparagraph (a)(i) applies--the total of the income component amounts estimated by the parent under paragraph 60(3)(b);
(ii) if subparagraph (a)(ii) applies--the amount specified under paragraph (3)(a) of this section in the notice of the election; and
(c) sections 64, 64A, 64AC and 64AD do not apply in relation to the parent;
the parent may elect another amount (the new amount ) to replace the year to date income amount for the year of income.
(2) The parent makes the election under subsection (1) by giving notice of it to the Registrar in the manner specified by the Registrar.
(3) The notice must specify:
(a) the new amount; and
(b) the parent's estimate of each income component amount for the period referred to in paragraph 60(3)(b).