; (ii) regularly completed assignments or tasks in a manner that allowed the prisoner to realize the criminogenic benefits of the recidivism reduction program or productive activity; (iii) did not regularly engage in disruptive behavior that seriously undermined the administration of the recidivism reduction program or productive activity; and (iv) satisfied the requirements of clauses (i) through (iii) for a time period that is not less than 30 days and allowed the prisoner to realize the criminogenic benefits of the recidivism reduction program or productive activity; and (B) for purposes of paragraph (6)(A), may be given credit for successful completion of a recidivism reduction program or productive activity for the time period during which the prisoner participated in such program or activity if the prisoner satisfied the requirements of subparagraph (A) during such time period, notwithstanding that the prisoner continues to participate in such program or activity. (8) Definitions In this subsection: (A) Eligible prisoner The term eligible prisoner means— (i) an individual who has been sentenced to a term of imprisonment pursuant to a conviction for a Federal criminal offense; or (ii) an individual within the custody of the Bureau of Prisons, including an individual in a Bureau of Prisons contracted facility. (B) Productive activity The term productive activity — (i) means a group or individual activity, including holding a job as part of a prison work program, that is designed to allow prisoners classified as having a lower risk of recidivism to maintain such classification, when offered to such prisoners; and (ii) may include the delivery of the activities described in subparagraph (C)(i)(II) to other prisoners. (C) Recidivism reduction program The term recidivism reduction program means— (i) a group or individual activity that— (I) has been certified to reduce recidivism or promote successful reentry; and (II) may include— (aa) classes on social learning and life skills; (bb) classes on morals or ethics