Mont. Code Ann. § 50-5-104

Parts 1 through 3 and rules and standards adopted by the department may not authorize the supervision, regulation, or control of care or treatment of persons in any home or institution conducted for those who rely upon treatment by prayer or spiritual means in accordance with the creed or tenets of any well-recognized church or religious denomination. However, a license is required and the minimum standards referred to in 50-5-103 (2) apply.