Minn. Stat. § 244.171
Subd. 1. Requirements.
The commissioner shall administer an intensive, structured, and disciplined program with a high level of offender accountability and control and direct and related consequences for failure to meet behavioral expectations. The program shall have the following goals:
Subd. 2. Program components.
The program shall contain all of the components described in paragraphs (a) to (e).
Subd. 3. Good time not available.
An offender in the challenge incarceration program whose crime was committed before August 1, 1993, does not earn good time during phases I and II of the program, notwithstanding section 244.04.
Subd. 4. Sanctions.
The commissioner shall impose severe and meaningful sanctions for violating the conditions of the challenge incarceration program. The commissioner shall remove an offender from the challenge incarceration program if the offender:
(3) presents a risk to the public, based on the offender's behavior, attitude, or abuse of alcohol or controlled substances. The removal of an offender from the challenge incarceration program is governed by the procedures in the commissioner's rules adopted under section 244.05, subdivision 2.
An offender who is removed from the challenge incarceration program shall be imprisoned for a time period equal to the offender's term of imprisonment, minus earned good time if any, but in no case for longer than the time remaining in the offender's sentence. "Term of imprisonment" means a time period equal to two-thirds of the sentence originally executed by the sentencing court, minus jail credit, if any.
Subd. 5. Training.
The commissioner shall develop specialized training for correctional employees who supervise and are assigned to the challenge incarceration program.