749.12  CONDUCT ON PREMISES.
   No person while on the premises of any retailer licensed under this article shall perform, nor shall any such retailer, his servants, agents or employees permit any of the following activities:
   (a)   Breaking of the seal on any package or bottle of wine;
   (b)   Consumption of any alcoholic liquor, wine or beer;
   (c)   Loitering.  (8-11-81)