252Biosecurity officer etc. may enter landing places or ports

252  Biosecurity officer etc. may enter landing places or ports  (1) This section applies in relation to the following premises:  (a) a landing place in Australian territory where an aircraft that is subject to biosecurity control has landed or intends to land;  (b) a port in Australian territory where a vessel that is subject to biosecurity control has been moored or intends to be moored.  (2) A biosecurity officer or a biosecurity enforcement officer may enter the premises at any time for the purpose of performing functions, or exercising powers, under this Act. Note 1: Before entering premises under this subsection, a biosecurity official must be satisfied of the matters referred to in section 32 (the principles). Note 2: For the obligations and powers of biosecurity enforcement officers entering premises under this section, see Part 5 of Chapter 9.  (3) However, a biosecurity officer is not authorised to enter premises under subsection (2) unless a biosecurity enforcement officer accompanies the biosecurity officer.  (4) In this section, premises does not include a conveyance. Note: A biosecurity enforcement officer may also enter a landing place or port that is a first point of entry for monitoring and searching purposes (see Division 2 of Part 5 of Chapter 9).