(1) A person who has made an application for a determination under this Part in respect of an administrative assessment of child support is not, for that reason, precluded from subsequently making another application in respect of that assessment if, because of circumstances existing at the time when the subsequent application is made, there are grounds for departing from the administrative assessment.
(2) If:
(a) a person has made an application for a determination under this Part; and
(b) the Registrar has refused to make a determination on the application; and
(c) the person subsequently makes an application for a determination under this Part; and
(d) the Registrar is satisfied, after considering:
(i) the application last made and the documents (if any) accompanying it; and
(ii) the previous application and the documents (if any) accompanying it and any matter taken into account by the Registrar in refusing to make a determination in relation to that application;
that no new matter has been submitted in support of the claim that there are grounds for departing from the provisions of this Act relating to administrative assessment of child support in relation to the child;
the Registrar may refuse to make a determination, without taking any further action under this Part.