§ 112.33 HOURS AND DAYS OF SALE.
   (A)   The hours of operation and days of sale shall be those set by M.S. § 340A.504, as it may be amended from time to time.
   (B)   No person shall consume nor shall any on-sale licensee permit any consumption of intoxicating liquor or 3.2% malt liquor in an on-sale licensed premises more than thirty (30) minutes after the time when a sale can legally occur.
   (C)   No on-sale licensee shall permit any glass, bottle, or other container containing intoxicating liquor or 3.2% malt liquor to remain upon any table, bar, stool, or other place where customers are served, more than thirty (30) minutes after the time when a sale can legally occur.
   (D)   No person, other than the licensee and any employee, shall remain on the on-sale licensed premises more than thirty (30) minutes after the time when a sale can legally occur.
   (E)   Any violation of any condition of this section may be grounds for revocation or suspension of the license.
Penalty, see § 112.99