In every tavern or other place in the city where alcoholic liquor is sold there shall be displayed at all times in a prominent place a printed card which shall be supplied by the City Clerk and which shall read substantially as follows:
WARNING TO MINORS
You are subject to a fine up to $500.00 under the ordinances of the City of Troy if you purchase alcoholic liquor or misrepresent your age for the purpose of purchasing or obtaining alcoholic liquor.
(1986 Code, § 4-91)