Commonwealth Consolidated Acts Commonwealth Consolidated ActsFor the purposes of this Part, the detention reporting start time for a person is whichever of the following times (if any) applies to the person:
(a) if the person is in immigration detention on the commencement of this Part and has been in immigration detention before then for a period of at least 2 years, or for periods that total at least 2 years--the time when this Part commences; or
(b) otherwise--the time after the commencement of this Part when the person has been in immigration detention for a period of 2 years, or for periods that total at least 2 years (some of which detention may have occurred before the commencement of this Part).