Montana

Possession is prohibited WITH THE FOLLOWING EXCEPTION(S):

• parent/guardian

Notes:
The parental exception to Montana's possession and consumption statute only applies to alcohol supplied and consumed in a "nonintoxicating quantity." In Montana, "intoxicating quantity" is defined as a quantity "sufficient to produce ... a blood, breath, or urine alcohol concentration in excess of 0.05 ... or substantial or visible mental or physical impairment." See Mont. Code Ann. §§ 16-6-305, 45-5-624.

Consumption is prohibited WITH THE FOLLOWING EXCEPTION(S):

• parent/guardian

Notes:
The parental exception to Montana's possession and consumption statute only applies to alcohol supplied and consumed in a "nonintoxicating quantity." In Montana, "intoxicating quantity" is defined as a quantity "sufficient to produce ... a blood, breath, or urine alcohol concentration in excess of 0.05 ... or substantial or visible mental or physical impairment." See Mont. Code Ann. §§ 16-6-305, 45-5-624.

Internal possession is not explicitly prohibited.

Purchase is prohibited and there is NO ALLOWANCE for youth purchase for law enforcement purposes.

Furnishing is prohibited WITH THE FOLLOWING EXCEPTION(S):

• parent/guardian

Notes:
The parental exception applies to the provision of alcohol in a “nonintoxicating quantity.” In Montana, "intoxicating quantity" is defined as a quantity "sufficient to produce ... a blood, breath, or urine alcohol concentration in excess of 0.05 ... or substantial or visible mental or physical impairment." See Mont. Code Ann. § 16-6-305.

• Beer: 18 for both servers and bartenders
• Wine: 18 for both servers and bartenders
• Spirits: 18 for both servers and bartenders

• Beer: 18
• Wine: 18
• Spirits: 18

Provision(s) targeting minors:

• Use of a false ID to obtain alcohol is a criminal offense
• No driver's license suspension procedure

Provision(s) targeting suppliers:

• It is a criminal offense to lend, transfer, or sell a false ID
• It is a criminal offense to manufacture or distribute a false ID

Provision(s) targeting retailers:

• Specific affirmative defense - the retailer inspected the false ID and came to a reasonable conclusion based on its appearance that it was valid

BAC limit: 0.02 - a BAC level above the limit is per se (conclusive) evidence of a violation.

Applies to drivers under age 21.

Keg definition: not less than 7 gallons

Prohibited:

• destroying the label on a keg - max. fine/jail: $500 / 6 months

Purchaser information collected:

• purchaser's name and address
• verified by a government-issued ID

Warning information to purchaser: passive – no purchaser action required

Deposit: not required

Provisions do not specifically address disposable kegs

Type(s) of violation leading to driver's license suspension, revocation, or denial:

• Underage possession
• Underage consumption

Use/lose penalties apply to minors under age 18

Authority to impose driver's license sanction

• mandatory

Length of suspension/revocation: 30 days

No State-imposed liability for hosting underage drinking parties.