The presence of underage persons on a licensed premises as provided under Sec. 125.07(3)(a)IO, Wis. Stats., shall be subject to the following:
(a) Notice of Event. The licensee or agent of a corporate licensee shall notify the Police Department at least forty-eight (48) hours in advance of the date of any event at which underage persons will be present on the licensed premises. Each such non-alcohol event notice shall specify the date(s) on which the event is to occur and the time(s) of commencement. All notices shall be filed with the Village Administrator during normal business hours. After a non-alcohol event notice has been given, the licensee may cancel an event(s) only by giving like notice to the Village in accordance with the provisions of this Subsection. Regardless of the date given, all notices shall expire and be deemed cancelled no later than the date of expiration or revocation of the applicable retail Class "B", "Class B" or "Class C" license.
(b) Posting of Notice. During the period of any non-alcohol event a notice card prescribed by the Village shall be posted at all public entrances to the licensed premises notifying the general public that no alcohol beverages may be consumed, sold or given away on or carried into the licensed premises during the event. Such notice cards shall be made available by the Village to a requesting licensee.
(c) Non-Alcohol Status to Be Maintained. Once a non-alcohol event has commenced, no alcohol beverages may be consumed, sold or given away on or carried into the licensed premises until the next day following the closing hours of the licensed premises.
(d) Alcohol Beverages to Be Secured. During the period of any non-alcohol event all alcohol beverages shall be stored in a locked portion of the licensed premises in a secure place out of the sight and physical reach of any patron present and shall be under the direct and immediate control and supervision of the licensee or a licensed bartender in the employ of the licensee. All beer taps and automatic dispensers of alcohol beverages ("speed guns") shall be either disconnected, disabled or made inoperable.