For paragraph 65(3)(b) of the Act, the prescribed period is worked out as follows:
(a) if a notification is given under subsection 66(2) of the Act in relation to the examination, the prescribed period is 6 months after the date of the first notification;
(b) if:
(i) a person provides material under section 69 of the Act; and
(ii) the Registrar gives the registered owner a notification under subsection 66(2) of the Act of a ground of revocation, based on that material;
the prescribed period is whichever of the following periods ends later:
(iii) 6 months after the date of the first notification under subsection 66(2) of the Act in relation to the examination;
(iv) 3 months after the date of the notification under subsection 66(2) of the Act that first raises the ground of revocation;
(c) if:
(i) the Registrar discontinues the examination of the design in accordance with subsection 63(4) of the Act; or
(ii) if a hearing described in section 67 or 68 of the Act is requested; or
(iii) if an appeal is made to the Federal Court or the Federal Circuit and Family Court of Australia (Division 2) against a decision of the Registrar under section 67 or 68 of the Act;
the prescribed period is the period determined by the Registrar to allow the examination to be completed.