Initial determination
(1) If:
(a) the Secretary is required by section 35A or 35B to determine an individual's percentage of care for a child; and
(b) subsection 35A(1) or 35B(1) applies; and
(c) the claim referred to in paragraph 35A(1)(b) or 35B(1)(b) is a claim for payment of family tax benefit for a past period;
section 35C applies in relation to the individual as if the determination were being made on the first relevant day of the past period.
Determination after revocation
(2) If:
(a) the Secretary is required by section 35A or 35B to determine (the new determination ) an individual's percentage of care for a child; and
(b) subsection 35A(2) or 35B(2) applies; and
(c) the determination (the earlier determination ) referred to in paragraph 35A(2)(a) or 35B(2)(a) relates to a claim for payment of family tax benefit for a past period;
section 35C applies in relation to the individual as if the new determination were being made on the relevant day after the revocation of the earlier determination.