Mont. Code Ann. § 45-10-105
Delivery of drug paraphernalia to minor
45-10-105 . Delivery of drug paraphernalia to minor. Any person 18 years of age or older who violates 45-10-104 by delivering drug paraphernalia to a person under 18 years of age who is at least 3 years younger is guilty of a misdemeanor and upon conviction shall be imprisoned in the county jail for not more than 1 year or be fined not more than $1,000, or both.