; and (C) in accordance with section 3621A(d) (1) and (2) of title 18, United States Code, document eligible prisoners’ required recidivism reduction programs or productive activities in a case plan and their progress in completing the elements of that case plan. (2) Research and best practices In designing the offender risk and needs assessment system, the Attorney General shall use available research and best practices in the field and consult with academic and other criminal justice experts as appropriate. (3) Risk and needs assessment tool In carrying out this subsection, the Attorney General shall prescribe a suitable intake assessment tool to be used in carrying out subparagraphs (A) and (B) of paragraph (1), and suitable procedures to complete the documentation described in subparagraph (C) of paragraph (1). The Attorney General shall ensure that the assessment tool produces consistent results when administered by different people, in recognition of the need to ensure interrater reliability. (4) Validation In carrying out this subsection, the Attorney General shall statistically validate the assessment tool on the Federal prison population not later than 2 years after the date of the enactment of this subsection. (b) Use of risk and needs assessment system by bureau of prisons Subchapter C of chapter 229 of title 18, United States Code, is amended by inserting after section 3621 the following: 3621A. Post-sentencing risk and needs assessment system (a) Assignment of recidivism reduction programs or productive activities In recognition that some activities or excessive programming may be counterproductive for some prisoners, the Attorney General may provide guidance to the Director of the Bureau of Prisons on the quality and quantity of recidivism reduction programming or productive activities that are both appropriate and effective for each prisoner. (b) Bureau of prisons training The Attorney General shall develop protocols and programs for Bureau of Prisons personnel responsible for using the