(1) This section applies to a person in Australia if the person is a payer or a payee in relation to a registrable maintenance liability.
(2) The Registrar may request, but not compel, the person:
(a) to give the Registrar a written statement of the person's tax file number; or
(b) if the person does not have a tax file number--to apply to the Commissioner for a tax file number and to give to the Registrar a written statement of the person's tax file number after the Commissioner has issued it.
(3) A person is taken to have complied with a request under subsection (2) if the person gives to the Registrar a statement of a kind mentioned in subsection (4) or (5) of this section.
(4) The person may give to the Registrar a statement that the person:
(a) has a tax file number but does not know what it is; and
(b) has asked the Commissioner to inform the person of the person's tax file number; and
(c) authorises the Commissioner to tell the Registrar:
(i) whether the person has a tax file number; and
(ii) if the person has a tax file number--that number.
(5) The person may give to the Registrar a statement that the person:
(a) has an application for a tax file number pending; and
(b) authorises the Commissioner to tell the Registrar:
(i) if a tax file number is issued to the person--that number; or
(ii) if the application is refused--that the application has been refused; or
(iii) if the application is withdrawn--that the application has been withdrawn.