(1) If:
(a) a certificate given by an approved provider under section 85CB in relation to a child is in effect for a week; and
(b) the provider considers that the child is not at any risk of serious abuse or neglect during the week; and
(c) the time for varying, substituting or withdrawing the report under subsection 204B(6) (requirement to report about children for whom care is provided) of the Family Assistance Administration Act for the first week for which the certificate has effect has not expired;
the provider must, by written notice given to the Secretary, cancel the certificate.
(2) If the provider cancels a certificate, the certificate is taken never to have been in effect.
(3) The provider may cancel a certificate even if the certificate has ceased to have effect.
(4) Despite paragraph 85CB(2)(c), if:
(a) the provider cancels a certificate in relation to a child under this section (the original certificate ); and
(b) the provider then gives a certificate under section 85CB in relation to the child for one or more weeks for which the original certificate was specified to have effect (the replacement certificate );
the replacement certificate may take effect more than 28 days before the replacement certificate is given but no earlier than the day the original certificate took effect.