Interviewer instructions
Item 2: Principal industry (NIC-2004): The description of the principal household industry will be recorded in the space provided. The appropriate five-digit industry code of the NIC-2004 is to be recorded against 5 cells provided for recording NIC codes putting one digit in each cell. For households deriving income from non-economic activities only, (e.g. for a pensioner/ beggar/ prostitute household) a dash (-) may be put against this item.