This one is mainly for the ladies, but I'm sure some of the men will have something to add
I went to school in the south and our chapter had some pretty strict standards, some of which are below...
The traditional no white clothes or shoes after Labor Day or Before Easter.
No open toed shoes after Labor Day or Before Easter
No Nude hose
I remember one rushee & legacy came in to a party breaking all of these rules. I thought one of my sisters was going to have a heart attack