This section defines several key terms within Part 9 of the Act. The section also provides the Department of Justice with a power to amend the definition of a place of safety by regulations. The section provides that the Department of Justice may also amend other sections within Part 9 as necessary if the definition of a place of safety is changed.
The section also provides, for the purposes of sections 147 and 157, that where the age of the person is not known, it is to be taken to be the age that the person appears to be.