(3) If:
(a) the Secretary makes a review decision under section 105 to:
(i) vary an original decision; or
(ii) set aside an original decision and substitute a new decision; and
(b) the review decision is not a decision to which section 106A applies (certain review decisions relating to CCS or ACCS);
the Secretary must give notice of the review decision to the person whose entitlement, or possible entitlement, to family assistance, one - off payment to families, economic security strategy payment to families, back to school bonus, single income family bonus, clean energy advance, ETR payment, 2020 economic support payment, additional economic support payment 2020 or additional economic support payment 2021 is affected by the decision.
(4) A notice must state the effect of the review decision and that the applicant, or person whose entitlement or possible entitlement is affected by the decision, may apply for review of the review decision involved in the manner set out in this Part.
(5) A contravention of this section in relation to a review decision does not affect the validity of the review decision.