THIS RETURN IS TO BE FILED AS SOON AS POSSIBLE AFTER JULY I, BUT NO LATER THAN SEPTEMBER I. IF YOU ARE THE OWNER OF INDUSTRIAL BUSINESS PROPERTY YOU NEED NOT COMPLETE THIS FORM. CONTACT THE PROPERTY TAX DIVISION OF THE DEPARTMENT OF TAX AND REVENUE CONCERNING FORM STC 12:321 FOR INDUSTRIAL PROPERTY. FILING LATE OR FAILURE TO FILE MAY RESULT IN A PENALTY OF $25 TO $100.