(1) The Secretary must give notice of a determination under this Subdivision to the claimant, stating:
(a) whether the claimant is entitled to be paid single income family supplement under the determination; and
(b) if the claimant is so entitled--the amount of the supplement and how it is to be paid; and
(c) that the claimant may apply for review of the determination in the manner set out in Part 5.
(2) The determination is not ineffective by reason only that the requirements of subsection (1) are not complied with.