64Varying a human biosecurity control order

64  Varying a human biosecurity control order Who may vary a human biosecurity control order  (1) The following officers may vary a human biosecurity control order in accordance with this section:  (a) a chief human biosecurity officer;  (b) a human biosecurity officer;  (c) a biosecurity officer (subject to subsection 82(2)). Note 1: Before varying a human biosecurity control order, an officer must be satisfied of the matters referred to in section 34 (the principles). Note 2: The Director of Human Biosecurity must be notified of a variation of a human biosecurity control order (see section 67). Test for varying human biosecurity control order  (2) An officer may vary a human biosecurity control order only if the officer is satisfied that:  (a) the variation contributes to reducing the risk of:  (i) contagion of a listed human disease; or  (ii) a listed human disease entering, or emerging, establishing itself or spreading in, Australian territory or a part of Australian territory; or  (b) the variation removes or varies a provision that no longer contributes to reducing such a risk; or  (c) the variation is of a minor technical nature. When variation takes effect  (3) A variation of a human biosecurity control order takes effect immediately after the variation is made.