Minn. Stat. § 243.555: SMOKING BY INMATES PROHIBITED.

No inmate in a state correctional facility may possess or use tobacco or a tobacco-related device. For the purposes of this section, "tobacco" and "tobacco-related device" have the meanings given in section 609.685, subdivision 1. This section does not prohibit the possession or use of tobacco or a tobacco-related device by an adult as a part of a traditional Indian spiritual or cultural ceremony. For purposes of this section, an Indian is a person who is a member of an Indian tribe as defined in section 260.755, subdivision 12.