Superannuation Industry (Supervision) Regulations 1994

REGULATION 4A.03 DECISIONS ABOUT ACCOUNTS  
4A.03(1)
If a child account is issued in respect of a child, decisions in relation to the account must be made by:

(a) the legal personal representative of the child; or

(b) if the child does not have a legal personal representative, a parent of the child or the child's guardian;

until the child turns 18.

4A.03(2)
However, a child may make decisions in relation to the account if:

(a) the child is at least 16 years old; and

(b) the fund has been notified that the child will be making decisions in relation to the account by:

(i) the child's legal personal representative; or

(ii) if the child does not have a legal personal representative, a parent of the child or the child's guardian.