It is unlawful for any person under the age of 21 years, to purchase, drink, consume or possess intoxicating liquor or liquors within the county limits of Snohomish county, or to have consumed intoxicating liquor or liquors and to be or remain within the county limits of Snohomish county, except in the case of liquor given or permitted to be given to a person under the age of 21 years when in the company of his parent or guardian of legal age for beverage or medicinal purposes or administered to him by his physician or dentist for medicinal purposes only. (Amended by § 2 of Res. adopted Sept. 2, 1952; Amended by Ord. 87-004, Feb. 18, 1987).