(a) to assess each offender's progress and make recommendations to the Commissioner concerning the offender's promotion to a higher grade;
(b) to make recommendations to the Commissioner in respect of the transfer of an offender to a training centre or prison;
(c) to make recommendations to the Commissioner relating to the release of any offender having regard to the objective of securing the offender's rehabilitation and his reintegration into society, and the need to protect the public from potential harm from the offender.