A reference in section 28—
(a) to a designated officer of a hospital or a registered medical practitioner making inquiries or advising the senior available next of kin; or
(b) to the senior available next of kin making his or her consent known to a designated officer or registered medical practitioner—
may be taken to be a reference to the designated officer or registered medical practitioner being satisfied that the inquiries have been made, the advice has been given or the consent has been given, as the case may be.