48   Notice of decision and review rights to be given by administrators

(1)  An administrator who makes a reviewable decision must take such steps as are reasonable in the circumstances to give any interested person notice, in writing, of the following:

(a)  the decision, and

(b)  the right of the person to have the decision reviewed.

(2)  However, an administrator does not have to give a notice under subsection (1) in relation to:

(a)  a decision that is taken by this or any other Act to be made because the administrator has failed to make a decision within the time limit for making the decision, or

(b)  any of the following decisions, but only if the decision concerned does not adversely affect the interests of any interested person:

(i)  a decision not to impose a liability, penalty or any kind of limitation on a person,

(ii)  a decision making an adjustment to the level of periodic payments to be made to a person as a member of a class of persons where a similar adjustment is being made to the level of such payments to the other members of the class,

(iii)  if an enactment establishes several categories of entitlement to a monetary or other benefit—a decision that determines a person to be in the most favourable of those categories, or

(c)  a decision made by an administrator following an internal review, or

(d)  any other decision or class of decisions prescribed by the regulations for the purposes of this paragraph.

(3)  A contravention of this section does not affect the validity of any decision.