(4) Every notice issued under subsection (3), unless sooner revoked, remains in force for a period of 5 years after the date on which it is issued, but this subsection does not prevent the Minister from issuing another notice in respect of the same quality assurance activity.
(5) The Director-General of Health may from time to time, by notice in the Gazette, state requirements relating to the form, content, and quality standards of an application under subsection (1); and such requirements may, without limitation, require statements in the application to be verified by statutory declaration.