No person shall sell, furnish, give or deliver any alcoholic liquor to any person who is:
1. intoxicated.
2. under the age of 19 years.
3. a habitual drunkard or a habitual user of drugs.
The burden shall at all times be upon the licensee and his employees to determine the age and sobriety of any patron.
(Ord. 77-01 (part), 1977)