Minn. Stat. § 151.56
Notwithstanding Minnesota Rules, part 6800.2700, pharmacies may accept returns of unused drugs and medical devices from county jails and juvenile correctional facilities. In order to return unused drugs and medical devices, the county jail or juvenile correctional facility must have a trained medication technician on hand 24 hours a day, seven days a week, and the medication must be stored in a secured locked storage locker.