Commonwealth Consolidated Acts Commonwealth Consolidated Acts( 1 ) An authorisation given by an authorising officer under Division 2 is in force until :
( a ) it is spent; or
( b ) it lapses.
When authorisation is spent
( 2 ) An authorisation is spent when the continuous exercise of powers under the authorisation ends.
Note: The continuous exercise of powers does not end only because there is a period of time between the exercise of one or more of those powers: see section 11 .
When authorisation lapses
( 3 ) An authorisation lapses if powers have not been exercised under the authorisation within 72 hours after it is given.