The above entails that even though a 'serious offence' was committed by a youth, it does not automatically equate to time in custody. The presiding official in a youth justice court must review all options other than custody by utilizing the factors outlined in 39 (3). Specifically section 39 (2) prohibits the court from imposing custody unless all alternatives have been considered. The reason for said sections within the "Act" is to reduce the use of custody as a sentencing option, and consequently the number of youth in custody, and to ensure that the most intrusive response to youth offending is only used in serious cases. The inclusion of these sections displays a stark difference between the "Young Offenders Act" and the "Youth Criminal Justice Act" as the former did not have such clear preconditions that had to be satisfied prior to the imposition of a custodial sentence and thus large numbers of youth were incarcerated under the "Young Offenders Act".