No person shall procure for, sell, dispense or give away any fermented malt beverages to any person under the legal drinking age not accompanied by his or her parent, guardian or adult spouse, or procure for, sell, dispense or give away any intoxicating liquor to any person under the legal drinking age.
No person under the legal drinking age not accompanied by his or her parent, guardian or adult spouse may enter or be on the premises for which license or permit for the retail sale of alcohol beverages has been issued, for any purpose except the transaction of business pertaining to the licensed premises with or for the licensee or his or her employee. The business may not be amusement or the purchase, receiving or consumption of edibles or beverages or similar activities which normally constitute activities of a customer of the premises. This section does not apply to:
A. 
A person under the legal drinking age who is a resident, employee, lodger or boarder on the premises controlled by the proprietor, licensee or permittee of which the licensed premises constitute a part.
B. 
A person under the legal drinking age who enters or is on a "Class A" retail intoxicating liquor premises for the purpose of purchasing edibles or beverages other than alcohol beverages. Any person under the legal drinking age so entering the premises may not remain on the premises after the purchase.
C. 
Hotels, drugstores, grocery stores, bowling alleys, cars operated by any railroad, regularly established athletic fields, or stadiums or public facilities as defined in s. 125.51(5)(b)1d., Wis. Stats., which are owned by a County or the Village.
D. 
Ski chalets and golf clubhouses.
E. 
Premises operated under both a Class B license or permit and a restaurant permit where the principal business conducted is that of a restaurant. If the premises are operated under both a Class B permit or license and a restaurant license, the principal business conducted is presumed to be the sale of alcohol beverages, but the presumption may be rebutted by competent evidence.
F. 
A person under the legal drinking age who enters or remains on a Class B premises for the purpose of transacting business at an auction or market, if the person does not enter or remain in a room where alcohol beverages are sold or furnished.
A. 
No person shall represent that he or she is the legal drinking age or older for the purpose of receiving alcohol beverages from a licensee or permittee.
B. 
Proof of the following facts by a seller of alcohol beverages to a person under the legal drinking age is a defense to any prosecution for a violation of this section:
(1) 
That the purchaser falsely represented in writing and supported with other documentary proof that he or she was the legal drinking age or older.
(2) 
That the appearance of the purchaser was such that an ordinary and prudent person would believe the purchaser to be the legal drinking age or older.
(3) 
That the sale was made in good faith and in reliance on the written representation and appearance of the purchaser in the belief the purchaser was the legal drinking age or older.
C. 
Every retail alcohol beverage licensee or permittee shall cause a book to be kept for the purposes of this section. The licensee or permittee or his or her employee shall require any person who has shown documentary proof which substantiates that the person is legal drinking age or over to sign the book if the person's age is in question. The book shall show the date of the purchase of alcohol beverages, the identification used in making the purchase, the address of the purchaser and the purchaser's signature.
No person under the the legal drinking age not accompanied by his or her parent, guardian or adult spouse shall knowingly possess or consume in public any alcohol beverage. This section shall not prevent a person under the legal drinking age in the employ of a licensee or permittee from possessing fermented malt beverages for sale or delivery to customers.
A. 
Prohibited. Except as provided by Subsection B, no person shall possess or consume alcohol beverages:
(1) 
On school premises.
(2) 
In a motor vehicle, if a pupil attending the schools is in the motor vehicle.
(3) 
While participating in school-sponsored activities.
B. 
Exceptions. Alcohol beverages may be possessed or consumed on school premises, in motor vehicles, or by participants in school-sponsored activities if specifically permitted in writing by the school administrator consistent with applicable laws and ordinances.
C. 
Definitions. In this section, terms shall have the meanings prescribed below:
MOTOR VEHICLE
A motor vehicle owned, rented or consigned to a school.
SCHOOL
A public, parochial, or private school which provides an educational program for one or more grades between grades one and 12 and which is commonly known as an elementary school, middle school, junior high school, senior high school or high school.
SCHOOL ADMINISTRATOR
The person designated by the governing body of a school as ultimately responsible for the ordinary operations of a school.
SCHOOL PREMISES
Premises owned, rented, or under the control of a school.