(b) Notwithstanding any provision of the code to the contrary, all persons committed to the custody of the Commissioner of the Division of Corrections for presentence diagnosis and classification and all persons sentenced to the custody of the Division of Corrections shall, upon transfer to the Division of Corrections, undergo diagnosis and classification, which may include assessments of a person's criminogenic risk and need factors that are reliable, validated and normed for a specific population and responsive to cultural and gender-specific needs as well as individual learning styles and temperament.