1105 Y16a. What kind of (business/industry) is that? Code numbers re-coded in green in left margin Use 3 digit 1980 CENSUS INDUSTRY CODE, EXCEPT: 998. DK 999. NA 000. INAP, 1 in 1037; 01, 98-99 in 1039; 40, 50, 60, 70, 75, 80, 99 in 1101