Chemical Weapons (Prohibition) Act 1994

Before the national inspector executing a warrant or a person assisting the national inspector enters:

a declared facility under paragraph 39(2)(b), 40(2)(b), 41(2)(b) or 42(2)(b); or

a challenge inspection site under paragraph 47(2)(b); or

premises under paragraph 57(1)(b);

announce that he or she is authorised by the warrant to enter the facility, site or premises; and

give any person at the premises an opportunity to allow entry into or onto the facility, site or premises.

The national inspector executing a warrant or a person assisting the national inspector is not required to comply with subsection (1) if he or she believes, on reasonable grounds, that immediate entry to the premises is required to ensure that the effective execution of the warrant is not frustrated.